Sorry I cannot write in Norsk but I am excited about this as Ole Jochumsen is my ancestor, too!
In the confirmation list for Enebakk in 1740 there is listed Jochum Engelbrets, age 17. Perhaps he has moved here from Sørum? This would make him born in 1723 which tallies with the boy Jochum baptised ...

Have traced ancestry to Anders Halvors shown living on Opsahl in 1801, age about 50. Is

Opsahl close to Field so that it might be probable that the Anders dp Apr 29, 1753, son to

Halvor Field might be the same Anders? There is a Halvor Hansen Field confirmed in 1748

age 17 shown on Kari ...