Al-Mawsili reports the birth of Amir al-Mu'minin (peace be upon him) in the Ka‘bah as follows:
"His birth was in the revered Ka‘bah, and no one else was born there except him. He was born in the first labor pain."
Reference: Al-Na'im al-Muqim Li-Itrah al-Naba' al-‘Azim, Page 55
Alkarbala