John
(Jack)
Rock was born
on Wednesday 31 July 1912
in Walsall, Staffordshire.
Jack married
Sarah
Georgina
(Sally)
Allen
in
1939
in Wednesbury, Staffordshire.
He
had the following children from
his
marriage to
Sarah Georgina
(Sally)
Allen:
Jack
was
a
Railway clerk.
