Title: King

Alternate names/spellings: Thibaut de Champagne, Theobald I/Thibaut IV, called the Troubadour, the Chansonnier, and the Posthumous

Dates: 1201 - 1253 (Dates are approximate. ) 

Theobald I of Navarre (Theobald I/Thibaut IV, called the Troubadour, the Chansonnier, and the Posthumous) (May 30, 1201- July 8, 1253) was Count of Champagne (as Theobald IV) from birth and King of Navarre from 1234. Sixty-six poems have been attributed to him, of which his four Crusade songs are the most famous.