Answer
Neulanders were not successful in singing more than one family and most of the families knew one another prior to undertaking the voyage.
Work Step by Step
From the provided data, it is observed that as number of families per Parish increases, the probabilities decrease and, hence, it results in a smaller population at a particular time.
With an increase in the number of people per family, the population decreases. Hence, it is very likely that most of the families knew one another.