Complex sentence: He also founded a Gilbertine house of canons just outside of the city of Lincoln, the priory of St Catherine, shortly after the order was recognized by the papacy in 1148.
Split into simpler sentences: He also founded a Gilbertine house of canons just outside of the city of Lincoln. This was the priory of St Catherine, and it was founded shortly after the order was recognized by the papacy in 1148.