Question: What is the date of death of Thomas De Clare, Lord Of Thomond's mother?
Sentence (from "Maud de Lacy, Countess of Hertford and Gloucester"): Maud de Lacy, (25 January 1223 – 10 March 1289), was an English noblewoman, being the eldest child of John de Lacy, 2nd Earl of Lincoln, and the wife of Richard de Clare, 5th Earl of Hertford, 6th Earl of Gloucester.
Relevant evidence: Yes