This may help a little:
William George, 1820-1864, was the second son of David and Mary George of
Trecoed. His father died when he was about eight and his mother married
Benjamin Williams. William's siblings were Ann, c1804-1891 (m David Evans),
Hannah, c1807-1871 (m David James), Mary, c1809-1858 (m Levi James), Phebe,
b c1810 (m John Thomas), Martha, b c1812 (m Benjamin Lewis), William,
c1813-1818, and John, b c1826.
Elizabeth Lloyd, 1828-1896, had a brother, Richard, 1834-1917, who does not
appear to have married. Elizabeth and Richard's parents were Dafydd Llwyd,
1800-1839, of Caellwyd and Highgate, and Rebecca (nee Samuel). Dafydd Llwyd
was the eldest son of Richard Dafydd alias Richard Davies, 1777-1862, the
younger son of Dafydd Llwyd of Llanllyfni, 1750-1809. Richard, b1777,
married ELIZABETH ROBERTS, 1774-1852, from Criccieth. Dafydd Llwyd,
1750-1809, also had a son called Robert Lloyd, 1775-1848, who had a son,
David Roberts.
From "Hanes teulu Lloyd George / Lloyd George family history : a short account of the George family of Tresynwen, Pantecoch and Trecoed, Pembrokeshire and Caernarfonshire and their descendants" by H. W Harrison (Author)