Is it Coincidence or Destiny? Who knows?
It is anyone's guess, things happen for a reason

After starting my FT I was browsing our electoral rolls, as you do, looking for extra family, and found that my paternal grandmother's great nephew had been living five houses away from us where I grew up.
The other is, I grew up with knowing my courtesy aunts next door neighbour's sons. The mother's maiden name was the same as ours. Years later one name from the tree kept jumping out at me, and I was drawn to it like a magnet. I had to investigate, and it turned out they were my ggrandfather's brother's family. One of the boys went on to play Rugby for NZ.
Cheers
KHP