See: New England, The Great Migration and The Great Migration Begins, 1620-1635 for Clement Briggs
In his undated will probated in 1650, Clement Briggs of Weymouth mentions six sons: Thomas, Jonathan, Clement, David, John, and Remember (all under 18 except perhaps Thomas).
From findagrave.com; this info from above source, The Great Migration: "Born by about 1600 (the deposition of 1638 implies that in 1616 Briggs had already been a servant of Mr. Samuel Latham for a few years); came from Southwark, Surrey, to Plymouth Colony in 1621 on the Fortune. First residence Plymouth, removed to Weymouth by 1630. He was a felmonger (tanner) and made his mark on his will and other documents. On 6 Oct 1634 he was fined 10s for 'entertaining an Indian without leave.' Died in Weymouth by 23 February 1648[/9?] (date of inventory). MARRIAGE: (1) By 1 March 1630/1 Joan Allen (1 March 1630/1): 'Mr. Tho: Stoughton, constable of Dorchester, is fined
1600 - Abt 1650 (52 years)