Complex sentence: After Newcastle's resignation in November 1756, Bedford became Lord Lieutenant of Ireland in the ministry of William Pitt and the Duke of Devonshire, retaining this office after Newcastle, in alliance with Pitt, returned to power in June 1757.
Split into simpler sentences: After Newcastle's resignation in November 1756, Bedford became Lord Lieutenant of Ireland in the new government led by William Pitt and the Duke of Devonshire. He retained this office after Newcastle, in alliance with Pitt, returned to power in June 1757.