That is a different tree, but looks more reliable, and has the mother as Elizabeth Rowlands, although not all of the children seem to have been registered with that mmm.
Some more newspaper references:-
Montgomeryshire Echo 11 March 1893
"...a months notice to be given Mr John Jones, Surveyor to the Board, to terminate his engagement.."
Montgomeryshire Echo 14 October 1893
"SURVEYOR'S REPORT - The surveyor's (Mr John Jones) estimates for the month..."
Montgomeryshire Express 10 September 1895
mentions "John Jones, late surveyor of the highway board"
David