Question: What is the date of death of Agnes Of Beaujeu's husband?
Sentence (from "Theobald I of Navarre"): Theobald I (30 May 1201 – 8 July 1253), also called the Troubadour and the Posthumous, was Count of Champagne (as Theobald IV) from birth and King of Navarre from 1234.
Relevant evidence: Yes