William married Thewlis, Mary on 4 Aug 1566 in Almondbury Parish Church, Almondbury, , Yorkshire, England. Mary (daughter of Thewlis, John and Unknown) was born in 1536 in Dalton, Huddersfield, , Yorkshire, England. [Group Sheet] [Family Chart]

1. Beaumont, Silvester was born in 1566.
2. Beaumont, Joanne was born in 1569.
3. Beaumont, Elizabeth was born in 1571.
4. Beaumont, Ricardus was born in 1574.
5. Beaumont, Maria was born in 1576.
6. Beaumont, Henry was born in 1576; died in 1577.
7. Beaumont, Thomas was born in 1577.
8. Beaumont, Margreta was born in 1579.
9. Beaumont, Willmus was born in 1582.