From the marriage register St Katherines Rotherhithe
August 6th 1916
Joseph Henry Hills, 19, Bachelor, Deal Porter, of 62 Re? Road, Father Joseph Hery Hills, Deal Porter
Jane Susan Berryman, 19, spinster, no occ, same address, father George Thomas Berryman, Labourer
Married after banns, bith signed
witnesses: Charles Henry Ornell, Elizabeth Berryman
On freebmd (if you want to get a copy)
Sept 1916
Joseph H Hills with Jane S Berryman (same ref)
St. Olave 1d 358
If you have a look at freebmd you'll find some possible siblings for Joseph. Search with surname Hills and mothers maiden name Berryman.
Dawn