He was given his nickname by the then ruler of Qatar, Sheikh Abdullah bin Jasssim Al Thani for his vast knowledge and wisdom.
[citation needed] In his house in Qatar which remains till date after the State of Qatar decided to renovate it part of the full renovation of 2006 of Souq Waqif, and the house now named as Bayt Fakhro by HH Shaikh Hamad bin Khalifa Al Thani (the father Amir), it was known that on average 4 times a week HH Shaikh Abdulla bin Jassim Al Thani used to have his afternoon naps in Bayt Fakhro in the top room named by him as the (GHURAIFA).
Isa bin Salman Al Khalifa, both rulers of Bahrain, also continued to hold him as a man of wisdom and a trusted advisor.
[citation needed] Mohammed bin Abdulrahman belongs to the Al-Hassan branch from Al-Fakhro family which is attributed to the Banu-Tamim tribe.
In addition, they are considered to be very close to the ruling families in Qatar, Bahrain, Saudi Arabia, and the United Arab Emirates.