Complex sentence: His sons William, Andrew (1760), Nathaniel (1763) and John (1764) all followed their father as fiddlers and composers of fiddle music, and the daughters were Margaret (1759), Grizel (1761).
Split into simpler sentences: His sons William, Andrew (1760), Nathaniel (1763) and John (1764) all followed their father as fiddlers and composers of fiddle music. Two of the daughters were Margaret (1759) and Grizel (1761).