Could his mother have been a friend of Catherine's in the or could Alexander have been a friend of Catherine's son :
1901 Census
Catherine Jones 58 living on own means
Richard Howell White Jones 27 Surgeon and Physician
1891 Census
Edward Jones 58 Wool Dealer b. Bala
Katherine Jones 42 b Cynwyd
Richard W Jones 17 Medical Student b Bala
Robert W Jones 14 Scholar b Bala (in 1901 he is in Denbigh as a Bank clerk)
Catherine Jones 22 Servant b Cynwyd
1881 Census - 45 High Street
Edward Jones 48 Draper b. Bala
Katherine Jones 32 b Cynwyd
Richard W Jones 7 Scholar b Bala
Robert W Jones 4 Scholar b Bala
plus two drapers apprentices
Possible marriage
Catherine White and Edward Jones 1872 Corwen
Catherine appears on the 1851, 1861, 1871, census' with her parents and numerous siblings at Rhydyglafes, Gwyddelwern.
Catherine's father was a farmer of 600 acres.
Hope this might have helped.
For the sons Richard died 1910 in Bala
Two possible marriages for Robert - 1910 to a Maggie Davies in Corwen or 1913 to a Ethel B Jones in 1913 poss death in Wrexham, 1913
Hope this helps -
Nesta