 Harold is a good friend of Hector and Molly MacDonald.When Harold visited Glenbogle to do some work on his family tree, it was revealed that 'H' at the Big House was the father of local school headteacher Katrina Finlay, it was presumed that Hector was the father of Katrina.But all was revealed when the Laird Archie MacDonald visited an island with Katrina, and Harold revealed he was the father of Katrina.