Richard married Margaret De Quincy, [Countess of Lin before 7 Jun 1252 in Of, , Lincolnshire, England. Margaret (daughter of Robert De Quincy and Hawise De Meschines, [Countess of Lin) was born in 1208 in , Lincoln, Lincoln, England; died after Mar 1265/1266 in , Clerkenwell, Middlesex, England; was buried before 30 Mar 1266 in Hospitallers, Clerkenwell, Middlesex, England. [Group Sheet] [Family Chart]