Imam al-Ḥasan ibn Alī ibn Abī Ṭālib (الحسن ابن علي ابن أبي طالب, 624–670 CE), commonly known as Hasan or Hassan, is the eldest son of Muhammad's daughter Fatimah and of Ali, and the older brother to Husayn. Muslims respect him as a grandson of the Islamic Prophet Muhammad. Among Shia Muslims, Hasan is revered as the 2nd Imam.
Allah knows the wisdom behind every thing He ordained. We believe in the Absolute Wisdom of Allah and do not go in to details which is out of our reach of thinking. Our Faith in the Absolute Wisdom of Allah (SWT) is enough for us and it is the real and proper way when we deal with decisions of Allah ( SWT).
We and all the scholars might thing about some reasons like the reward of the sacrifice in Karbala, but that can never be the full reason.We always say: Allah and His messenger know more. الله ورسوله أعلم
The question Why when it comes on any rule from Allah can mislead people who do not have enough submission to the will and wisdom of Allah (SWT).
In the life of all the prophets and infallible Imams, similar question about reasons of succession can mislead weak hearted persons who don’t have real faith in the absolute Wisdom of Allah (SWT).
It is mentioned in history books of both Shi'a and Sunni sides that at the time of the martyrdom of Imam Hasan al-Mujtaba (a.s.), 'Aishah gathered some people, mounted a mule, and prevented the Imam from being buried next to his grandfather's grave.
In order to avoid any further bloodshed, Imam Husain (a.s.) buried his elder brother in Jannatul-Baqi' Cemetary.
With prayers for your success.
Allah (The Glorious) knows whom to appoint as an Imam and we have no authority nor capacity to know. We definitely believe that every order by Allah (SWT) is based on the absolute benefit of human beings and the whole universe.
Al-Hasan Al-Muthanna was never an Imam, as the Imamate after Imam Husain (AS) was to Imam Ali Zainul Abideen (AS). No one from Imam Hasan's sons or grand sons was an Imam.
All the names of the Twelve Imams were clearly mentioned by the Prophet Muhammad (SAWA) in many authentic Hadeeths. (Ithbaat Al-Hudaat By Al-Hurr Al-Aamily in three volumes).
From the Shi'a point of view an Imam is not chosen by people. Even the ma'soom Imam himself does not chose who the next Imam will be. It is something exclusively appointed by Almighty God.
We clearly know that an Imam must have certain characteristics, the most important of them is 'Ismah, which is not something that can be acquired, and it is something endowed by the Almighty.
In addition to this, we see that the Prophet had mentioned who the Ahlul Bayt (a.s.) were, and the numerous famous traditions of the Twelve Khalifahs have also mentioned this.
Even in the case of Imam Husain (a.s.), it was one of his sons who was divinely selected and appointed to be the next Imam.
Another point that can be mentioned here is that the descendents of Imam Hasan (a.s.) did have a continuous role in Imamah.One example for this is that Imam Muhammad al-Baqir's (a.s.) mother was the daughter of Imam al-Mujtaba (a.s.). This means that Imam al-Baqir (a.s.) goes back to both Imam Hasan and Imam Husain (a.s.).
There is a tradition that says as a result of the greatest sacrifice made by Imam Husain (a.s.), he was blessed with three things:
1. The lineage of the Imams are from him.
2. There is cure in his soil.
3. Prayers are answered under his dome.
May the Almighty grant us their shafa'ah.
The case of Imam Hasan al-Mujtaba (a.s.) having married a large number of women, and also excessively divorcingو is a topic that can be approached from different angles.
The claim is that Imam al-Mujtaba (a.s.) was a Mitlaaq, which means someone who excessively divorces (from the word talaq).
There are some narrations that hint to this in certain Sunni hadith books, which, for Shi'a, do not carry recognition, based on its sources and also other hadith related principles.
However, the issue is that there are some very scarce and random narrations dispersed in some Shi'a hadith books, like Sheikh al-Kulaini's al-Kafi, that do mention such a thing.
There are different views regarding this issue:
Some scholars, a number of them were Akhbaris, have defending this view, saying that because such has been stated in al-Kafi, hence it must be authentic.
Some justifications have been given that in reality is not correct and the Imam did not excessively marry, but Imam Ali (a.s.) spread this rumour to discourage people from marrying him and misusing his status.
Another view is that Imam al-Mujtaba (a.s.) wanted to increase the number of descendants of the holy Prophet (s.a.w).
However, there are many problems with accepting these narrations.
This claim is far from any reality, and nothing more than a myth. In one narration it says that a whole caravan of women had claimed that they were his ex-wives. This is very distant from the basic conduct of a normal person, let alone a Ma'soom. Divorce itself was something disliked during the pre-Islamic Jahiliyah age, and so how can we even think that the Imam (a.s.) would engage in such a thing, and so frequently.
We cannot deny the attempts made by the enemies to defame the members of Ahlul Bayt (a.s.). This being said, if there was any level of truth to this issue, why do we not have any reference of the likes of Mu'awiyah mentioning this against the Imam (a.s.).
There is a lot more than can be said about this topic, but in brief it is nothing but a myth and far from the moral and divine status of the Imam (a.s.).
For further reading, please refer to the following book which has discussed this in detail:
It is reported supposedly from Ja'far as-Sadiq and Imam 'Ali (as) that Imam Hasan divorced a lot, and had up to 90 wives. (Suyuti) [This report has no isnāds]
Abu Talib Makki (d. 386 AH/996 AD), author of Qut al-Qulub, repeated the allegation that Imam Hasan (as) divorced a lot.
‘After a thorough study of these reports, I have found that the first man known to accuse Imam Hasan of "marrying and divorcing" was the 2nd Abbasid Khalifa, Mansur, who because of his dynastic policies was bent upon belittling Amir al-Mu'minin `Ali and his descendants. […] For this purpose, he gave a public address after that mass arrest, in which he shamelessly said: "By God, we left the descendants of Abu Talib and the Khilafat; we did not interfere at all. `Ali ibn Abi Talib became Khalifa. After him Hasan ibn `Ali became Khalifa. By God, he did not deserve it. He was offered money, which he accepted; Mu'awiya sent him a message that he would make him his successor. So, Hasan abdicated the Khilafat and left the government and power. He left everything to Mu'awiya, and turned his attention, to women, marrying one woman today, divorcing another one tomorrow. He remained like this till he died in his bed."
(AI-Mas'udi; in Muruj al-Dhahab, Vol.3, p.226).’ (Sayyed Saeed Akhtar Rizvi, Imam Hasan 'The Myth of his Divorces', Al-Serat, Vol 4 (1978), No 3).
He actually only had three wives, the last of which poisoned him, at the request of Yazid ibn Mu’awiya (See Suyuti again)