Bhai Gurmukh Singh, son of Bhai Chhabil Singh, grandson of Bhai Murari and great-grandson of Bhai Bhura (great-grandson of Bhai Sukhia Mandan), of Ladwa (district Thanesar, Haryana), was a dedicated Sikh of the time of Guru Gobind Singh Sahib. He embraced martyrdom on April 12, 1709 in the battle of Amritsar. His father Bhai Chhabil Singh and brother Bhai Sangat Singh also embraced martyrdom in the same battle.
(Dr. Harjinder Singh Dilgeer)