the only match I can see in Igi is d/o Wm Corlet + Margt Clark m Pat 20 NOV 1807 with first two children in Pat including a jane then rest of children in German with cath bapt Ger 18140703 apparently same day as a brother John - normally twins are marked as such in the PR but I havn't looked at those post 1800 yet - also twins had a low survival rate and the next child is baptised with 15months - lactation usually delays a following pregnancy thus the more usual 2 year separation of births (and bapts) - however they look to have survived - no burial and there is a wm Corlett in the 1814 Peel census with the requisite number and gender distribution of children