They had 6 children according to the 1911 Census 3 living and 3 dead.
John Lewis born, 1883 at Cardiff
Taliesin born 1898 at Quakers Yard
Morgan born 1900 at Llanfabon
They are saved in the following Public Family Trees in the 1901 census.
Rees in Jones Saved by rjj194 on Oct 07, 2012
Morgan in Morgan Saved by nigel63uk on Jan 22, 2011
Rees in Hoskins_origins Saved by ah_origins on Jul 26, 2010