Kaill Site on the internet with 722 names tracing Bob's and Anne's ancestry. Also includes a bit on Kristina's Erikson side.
Here is also an article on the evolution of the name Kaill from its Gaelic origin some thousand years ago.
And on Bob's mother's side "Mc Neil" we have this.
Here we have a little more early Irish history and then there are, of course, a lot more McNeils than Kaills.
Kaill Coat of Arms