F P Ball married R O Benham 1943 Portsmouth
I wonder if this might be her birth entry & birth entry of a son
1924 Portsmouth
R O BENHAM mmn LENE (it could be LANE)
1943 Portsmouth
R F BALL mmn BENHAM (male)
full name can be found on FreeBMD
perhaps her parents marriage
1915 Portsmouth
Robert BENHAM to Teresa LANE
There are other BENHAM birth entries Portsmouth mmn LANE 1917 - 1930