Bishop Smalbroke married Catherine Brooks, a sister of Archdeacon Brooks, with whom he had five sons and four daughters; Elizabeth, Thomas, Catherine, Richard, William, Mary, Samuel, Anne and John. Elizabeth never marriedFamily Tree Guide: Elizabeth Smalbroke as did Thomas who died on 2 July 1778.Family Tree Guide: Thomas Smalbroke He settled the family estate on three of his sons, Richard, William and Samuel shortly before his death on 22 December 1749 (though stated by Clarke as 22 September).
