It sounds like you have had a very interesting life indeed. Where in East Africa were you living? Just a tidbit - my husband and I are both South Africans, but we met while working in Angola of all places and we now live in Cyprus!! Crazy?
It is a shame we are not related to the same Webbs, but it has been really interesting talking to you.
Your mention of Mafikeng sparked some interest again for me. One of my mother's brothers has been living there for years and years with my cousins. Also, on my husband's side - his mother's parents lived in Mafikeng for quite a while when they were younger. Would be interesting to know if you maybe knew them?