Lucy de Brus of Skelton

✓ Lucy de Brus, one of the four sisters and coheirs of Peter de Brus of Skelton (d. 1272, s.p.), and daughter of Peter de Brus (d. 1241) by Hawise de Lancaster. Cal. IPM I no. 800: Peter de Brus, writ 28 Sept 56 Hen III - 'Agnes the wife of Walter de Faucunberge, Lucy the wife of Marmaduke de Twenge, Margaret the wife of Robert de Ros of Werke, and Ladereyna the wife of John de Bella Aqua, are his heirs'; the partition assigned Danby, Brotton, Skinningrove, Yarm and Moorsholm to Marmaduke and Lucy. Mother of Robert, Marmaduke 1st Lord Thweng and John of Cornbrough (our line). Source: Calendar of Inquisitions Post Mortem vol. I (Henry III) no. 800 (archive.org calendarofinquis01grea), read 27 Oct 2026; Source: Complete Peerage, 1st ed. (G.E.C.), vol. VII p.400 'Thweng' (archive.org completepeerage07cokahrish), read 27 Oct 2026. [DIRECT ANCESTOR OF THE COMPILER: flag added 27 Oct 2026 by walking the tree from Aynsley, so that this marker is reliable and can be searched.]