Looks good, thanks Mike.

It seems that was Herbert's second marriage in that area, FreeBMD has;

Surname First name(s) Spouse District Vol Page
Marriages Dec 1925
Jenkins May M Parry Pontypool 11a 279
Parry Herbert J Jenkins Pontypool 11a 279

Surname First name(s) Spouse District Vol Page
Marriages Sep 1929
Parry Herbert J Williams Pontypool 11a 376
Williams Doris Parry Pontypool 11a 376

These surnames are not rare in the area, so hard to predict likely offspring, if any.