Sayyid Abubakar came from where?

There are two claims explaining Sayyid Abubakar's roots.

The first claims he is from Johor. If we cross-reference this with the history of Johor, we will note that Modern Johor was established in 1528 much later than or 76 years after the establishment of the Sulu sultanate. therefore, he can't be a Johorean noble.

The second claims that he is from Malacca. Please note that Sayyid Abubakar established the sultanate in Sulu in 1450. Cross-referencing with the history of Malacca reveals that prior to 1409, Malacca (then known as Malaccawas) was a Hindu kingdom ruled by a Sri Vijayan prince, Parameswara. It became a Muslim sultanate when Parameswara converted to Islam, married a Pasai princess and assumed the title Sultan Iskandar Shah. Therefore the "sayyid" lineage all the way to Hadramaut and to the Prophet's family is very nil.

One possible explanation maybe to cut Sayyid Abubakar's Malay lineage and link him directly either to Muslim trading families from Gujarat in India or Hadramaut in Yemen. This is possible as Islamic infusion into Southeast Asia started by the end of the 13th century.

Another is to connect him to other emerging Muslim powers in the region. We have already discounted the Malacca sultanate, the second Muslim power. So this leaves us with the first Muslim power of Aceh in northern Sumatra, and the third Muslim power of Demak. Still the chronology is a bit conflicting. For example Demak sultanate was established three years later (1457) than Sulu.

Maybe he is from Pasai (also known as Samudera, Samudera-Pasai, Samudra, Samandara) in northern Sumatra, which is another possible explanation. Pasai was in existence between 13th and 15th century. In 1267, its Hindu king Merah Silu converted to Islam as Sultan Malik ul Salih. Again, this conflicts with the "sayyid" claim.

Or maybe he just came closer to home. How about Brunei?