is he father of Johan , b 1772?
in 1832-42 RK, book 2, p 160 Johanala, Kärkäis 33, is an Alexander Ocker, b 1795

torp. pigan Anna Maria Mattsdr Ocker of Narettaho, Kärkäis 46 married august 1844
he is Matts because his son Henrik was called Mattsson. The farm was called “matti’s hill”