I wondered about tha Jennie marriage. And more so finding this birth:
June 1926, Tynemouth 10b/358
Jennie Williamson, Mother's M/S smith
Also all the following Williamsons have mother's M/S Smith.
Jane I. Dec 1923, 10b/41
John J, Dec 1925, Newcastle T. 10b/306
Edward, Sep 1927, tynemouth, 10b/330
Frances, jun 1934, " 10b/325
Leslie, Mar 1936, " 10b/317
Albert R sep 1940, Newcastle T. 10b/28
Also:
Williamson Rose
1920, Tynemouth, 10b/449 Mother's M/S Dewhirst - Is this the half sister from a previous marriage?
Jen