[blam]

"England is 1/2 A and 1/2 O, Scotland and Ireland are majority 0. What was the death toll during the plague among the various blood types?"

The people living behind Offa's Dyke have the highest concentration of 'O' type blood in the world.

[Little Bill]

Gloustershire, well to the East of Offa’s Dike, is my families stomping ground. I can see what you are saying, frogs or not, had a passing influence on the Cotswalds.