came over from Jaglijowiec
That's Jeglijowiec (with E, not A) - a village, Gmina (municipality) Kadzidło, within Ostrołęka County, Masovian Voivodeship, in east-central Poland, en.wikipedia.org/wiki/Jeglijowiec
You might have 3788 Deptuła cousins in Poland, concentrated mostly in NE Poland. A significant number of Deptułas live in Ostrołęka County - 458, so here is significant correlation with Jeglijowiec (also in Ostrołęka County).
There are 4293 people with the name Dawid living in Poland; 111 of them live in Ostrołęka County - another good correlation.