Margaret de Brus, daughter of Peter II de Brus of Skelton, sister & coheir of Piers de Brus of Kendal, d. sh. bef. 30 Jan 1306/7. She divided her estate (1/4 of her brother's, including the barony of Kendall) between her son William and her nephew Marmaduke de Thwenge. [MCS]