Herbert married DE MAXWELL, Sir Herbert 8th Lord of Maxwell 6th Lord of Caerlaverock 5th Lord of Mearns 4th Lord of Pencaitland in 1274 in Carlaverock, Dumfries-shire, Scotland. Herbert (son of MAXWELL, Sir Aymer 3rd Lord of Caerlaverock and MCGEACHAN DE MEARNS, Mary) was born on 1 Apr 1240; died on 22 Jul 1298 in in battle at Falkirk, Stirlingshire, Scotland. [Group Sheet] [Family Chart]