The son of Sir David fitz Walter fitz Gilbert de Hameldone of Cadzow, he was born at Cadzow Castle, South Lanarkshire.
David Hamilton was the first of the family recorded as formally using the surname Hamilton, appearing in a writ of 1375 as "David de Hamylton, son and heir of David fitz Walter".
[1] David Hamilton married Jonetta Keith daughter of Sir William Keith of Galston, a crusading colleague of the Good Sir James Douglas.
She survived David Hamilton, and went on to marry Sir Alexander Stewart of Darnley.
By Jonetta Keith, David Hamilton had six children: This biography of a Scottish peer or noble is a stub.