Take Chen Yuexia for example. Chen's paternal grandfather came to Alishan to work in logging in his teens, while Chen's maternal grandfather was a railroad worker. Living here long-term, each raised their own family, their children following in their footsteps, with those children eventually marrying and taking the families from coworkers to in-laws.
以陳月霞為例，祖父十幾歲就上阿里山伐木，外祖父則是鐵道工人，同在一座山上出入久了，各自在此生養子女，之後同事變成親家、子女又繼承父業。