Complex sentence: Odo de Tirone gave the advowson of the church and tithes of Ampney Crucis in Gloucester, and Ansger Brito gave the manor of Preston, near Yeovil in Somerset.
Split into simpler sentences: Odo de Tirone gave the advowson of the church and tithes of Ampney Crucis in Glos. And Ansger Brito gave the manor of Preston, near Yeovil in Somerset.