I'm tempted to say that my ancestral people were once a strange and mysterious lot, but then I remember that Hello Kitty and tentacle porn are not just historical artifacts.

My ancestral people are a strange and mysterious lot.

My ancestral people

This is something I had not known previously. Interestingly a Google search for Sokushinbutsu brings up only the Kircher Society page and a copy of it.

Try "self-mummified priests in japan" for more results.