Sultan Ibrahim of Johor, who serves as the King of Malaysia, is married to Raja Zarith Sofiah. Together they have six children: Crown Prince Tunku Ismail, Tunku Aminah, Tunku Idris, Tunku Abdul Rahman, Tunku Abu Bakar, and the late Tunku Abdul Jalil. [1, 2, 3, 4]Here is the breakdown of his immediate family:Spouse: Raja Zarith Sofiah, Permaisuri of Johor, a noted author, philanthropist, and member of the Perak royal family.Tunku Ismail Idris (Crown Prince & Regent): The eldest son, born in 1984. He acts as the Regent of Johor during his father's tenure as King. He is married to Che Puan Besar Khaleeda Bustamam and has children, including the heir presumptive Tunku Iskandar Abdul Jalil.Tunku Aminah Maimunah Iskandariah: The only daughter, born in 1986. She is married to Dennis Muhammad Abdullah.Tunku Idris Iskandar (Tunku Temenggong of Johor): Born in 1987, he serves in the Johor royal council and is a businessman and pilot.Tunku Abdul Rahman Hassanal Jefri (Tunku Panglima of Johor): Born in 1993, he is a prominent professional GT3 racing driver.Tunku Abu Bakar (Tunku Putera of Johor): Born in 1999, he is also a recognized professional race car driver