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Note - you can also load your own GEDCOM file for your own family tree or use one of the samples. The British Monarchy one demonstrates the pedigree collapse mentioned in the title of this submission.

Also, hovering on the nodes shows a popup on that person

This is very much a work in progress.

Very cool!

I noticed the lines highlight when you hover over them. I would like to see the tooltip update with the age of the parent when the child was born.

thanks for taking a look - will see about implementing that as well

It's striking how much longer the blue lines are, mostly because I hadn't put much thought into that. The men tend to be several years older than the women when they have a kid.

Again, not particularly revelatory, but without having seen a tree that was chronologically adjusted it was never terribly apparent before.

btw - "chronologically adjusted" is the concise phrase I was looking for when describing this

Nice. Does it allow cycles?

Show HN: Exploring Family Trees/Pedigree Collapse – Interactive D3 visualization