That's about 3mm a year, isn't it? You're worse than us Brits.
Not really, at least not until the farm was sold in the 18th century, since the family name was 'attached' to the farm and place.
Thus, if there wasn't wasn't a male heir, the fure husband of the eldest girl had to take, loosing his own family name (happened twice).
And if there were more than one male child - they either married on another farm ... or died nobly for the bishop (1650) ...