Note 11 — PART II HISTORICAL STUDIES (continued 2)

The essential reference occurs in the charter of 1069 granted by Ralf, Count of Amiens, which mentions 'Symon filius meus et Gualterus Gualteri Tirelli natus' (Archives depart. de le Somme: Cartulaire de N.D. d'Amiens, No. 1, fo. 91). These were the first and second known bearers of the name. The latter occurs in a St Riquier charter of 1058. Poix was some fifteen miles from Amiens, and its lordship was of considerable importance. A charter of 1030 to Rouen Cathedral is said to contain the name 'Galtero Tyrello, domino de Piceio'.