Hi
There are no children that I can find for Phyllis and Charles. There is however deaths for Phyllis and Charles.
Name: Phyllis B Cook
Birth Date: abt 1916
Date of Registration: Apr-May-Jun 1965
Age at Death: 49
Registration district: Chatham, Kent
Volume: 5f Page: 148
And Charles the following year.
Name: Charles B Cook
Birth Date: abt 1913
Date of Registration: Apr-May-Jun 1966
Age at Death: 53
Registration district: Chatham, Kent
Volume:5f Page: 175
Brian