Manx Genealogy Archive 1

searching for grandfather

Could anyone please help me.
i am looking for info on my grandad who was stationed on the isle of man during ww2.

he left 3 sons in weymouth,dorset, england and re married while there and had more children( 2 sons i think)
i have tried various web sites but any advice would be very welcome.
not sure of his first name but surname is sydenham and was in the R.A.F