Well Hello Sally, nice to meet you!!
Here's my address e-mail, if you send me yours, I will fill you in on all the details, dates etc. Basically, your Grandfather David Francis Ellison Vane and my Father Thomas John Ellis were (half) brothers, so Elfed and Catherine were my cousins - I know somebody in New Zealand who is going to be very surprised to learn he has more firstname.lastname@example.org
bye for now - Gwen