As I wrote earlier, Clarend, you could follow the family through births, marriages and deaths using Family Search and Free BMD.
If you have access to a paid site, that might be even more useful.
1956 administration of Walter's estate granted to Agnes Tubman, widow and Mollie Edna Emmerson, wife of George Emmerson. Walter's address, Epsom Downs.
1933 William James Andrew Tubman of Holloway, probate granted to Jessie, widow.