Trehan is a Punjabi Khatri surname.[1]
Before the partition of India, they were found near Mongowal town in Gujrat district of West Punjab.[2] Trehan Khatris of Mangowal are described as "full of endurance , bodily strong and full of conviction" in Sikh texts.[3] Many Trehans were settled in Batala as well.[4] 2nd Guru of Sikhism, the successor of Guru Nanak was Guru Angad, a Trehan Khatri.[5][6]
LAHINA (1504–1552). A Trehan Khatri of Khadur who became a disci- ple of Nanak. He was later renamed Angad and succeeded Nanak as the Second Guru of the Sikhs in 1539.