Complex sentence: Lodge's first marriage was to Mawdleyn, sister of Stephen Vaughan: she died in 1548, and in 1549 Vaughan appointed his' trustie friend' Thomas Lodge one of the two overseers of his will.
Split into simpler sentences: Lodge's first marriage was to Mawdleyn, sister of Stephen Vaughan. In 1549 Vaughan appointed his' trustie friend' Thomas Lodge one of the two overseers of his will.