Thanks AnnaS! The feeling is entirely mutual!
Well, I searched a little bit, but returned home empty-handed. Rather than fidelity, (which I really was only joking with), fertility is probably at the heart of the matter. The country that you are *born in, being the motherland. Fatherland, got me thinking....In Sanskrit , 'mathrubhoomi' is motherland and means the land that you are born in, whilst 'pithrubhoomi', means the land of your ancestors. FWTW

(mathruh - mother/ pithruh - father/ bhoomi - land).