Lucia daughter of Robert de Thwenge and wife of William Latimer
From :
The Heraldry of York Minster by Very Revd. A.P.Pure-Cust D.D.
Volumes I and II Published 1890
Page 55
In plain English, Lucia was the daughter of Robert de Thweng, who had died the year. of her birth, 1279, and thereby she had become a ward of the king. Her grandfather, Marmaduke de Thweng, Baron of Kilton, had married Lucia, one of four daughters, co-heiresses of Peter de Brus. Her share of the inheritance comprised Danby Castle, manor, and- forest, besides Lealholm, Wolvedale, Brotton, Skinningrove, land and tenements in Yarm, Great-Moorsham, and other possessions in Cleveland, with manors elsewhere.