Joseph married Persis Shaw, daughter of Lieut. Jonathan Shaw (ca 1663-18 Jan 1729/30) & Mehitable Pratt (ca 1667-19 Oct 1712). Born on 10 Mar 1692 in Plymouth, MA.63 Persis died in Plympton, MA, on 6 Jun 1726; she was 34.265

Children of Joseph and Persis (Shaw) Lucas:
    i. John Lucas, b. 1715;
    ii. Hannah Lucas, b. 1717;
    iii. Samuel Lucas, b. 1719; and
    iv. Patience Lucas, b. 1723;
    v. Barnabas Lucas, d. 20 May 1726265 at Plympton.

On 1 May 1722 when William was 29, he married Mehitable Doty (25645) , daughter of John Doty (10069) (24 Aug 1668-1746/47) & Mehitable Nelson (5 Apr 1670-bef Apr 1745), in Plymouth, MA. Born on 4 Nov 1694 in Plymouth, MA.63 Mehitable died in Plymouth, MA, on 22 Feb 1769; she was 74.

Children of William and Mehitabel (Doty) Lucas, born at Plymouth:
    i.William Lucas, b. 27 Jun 1723;
    ii. Phebe Lucas, b. 12 Apr 1725;
    iii. Priscilla Lucas, b. 19 Apr 1727, m. Eleazer Robbins;
    iv. Joseph Lucas, b. 12 Jun 1729;
    v. Benjamin Lucas, b. 21 Jun 1731;
    vi Isaac Lucas, b. Jun 1733;
    vii. William Lucas, b. 29 Jul 1734; and
    viii. Mehitabel Lucas, b. 24 Feb 1737/8.

Patience married Nathaniel Harlow (24423) , son of Nathaniel Harlow (13526) (30 Sep 1664-19 Apr 1721) & Abigail Church (9431) (15 Dec 1666-13 May 1727). Born 27 Feb 1695/6 in Plymouth, MA.63 Nathaniel died in Plympton, MA on 28 Nov 1756.