Boyle, County Roscommon
Henry was the second son of Moses Bruen (died 1757), from Boyle, County Roscommon. He married Dorothea Henrietta Knox, daughter of Francis Knox, in 1787. They had three sons and three daughters: their eldest son Henry (1789–1852), was an MP for County Carlow for most of the period from 1812 to 1852, and their youngest child Francis was MP for Carlow Borough in the 1830s. Henry's son Henry Bruen (1828–1912), was MP for County Carlow from 1857 to 1880.