I haven't found anything for Morgan and Moses but these might come in handy for any extended family.
Also, you could add your names to the SURNAME INTEREST section to gain further Contacts

ROWLAND.
David 27 F:David to Treharne Janet 27 F:Edward 28/5/1888
ROWLANDS.
John 22 F:Rees to Thomas Margaret 23 F:Evan 11/6/1842
Joshua Thomas 25 F: John to Lewis Amy F: Lewis 25/12/1881
Thomas 27 F:John (DEC) to Vaughan Mary Ann 25 F:JOHN 21/4/1883
John Walter 20 F:Thomas to LLoyd Jane 21 F:John 28/6/1884
John 25 F: John to Morgan Anne 19 F: William (DEC)6/11/1884
Edward 22 F: David (DEC) to Meredith Mary Jane 18 F: Lewis (DEC) 28/2/1891
John 26 F:JOHN to Davies Elizabeth Ann 24 F: John 31/8/1891
David 34 (Widower) F:john (DEC) to Roberts Miriam 34 F: Lewis 13/9/1880
Ambers