Kendall Jenner and Gigi Hadid have a ton in common.

The family connection mirrors the complex connections of many British royals, quite fitting for American royalty.

Their relationship began long before Fashion Week, in a surprising way.

Kendall Jenner and Gigi Hadid

That was before we started modeling; I was probably 14 or 15.

We met up and had sushi, and now we’re best friends.

She’s a pretty significant human I met online," (viaW Magazine).

David Foster and Katharine McPhee

Bruce Jenner now Caitlyn is Kendall Jenner’s biological father, and was once married to Linda Thompson.

Jenner and Thompson’s sons are Brody and Brandon (viaHistory by Day).

As Kendall Jenner describes the connection, “Her stepdad is my half-brother’s stepdad,” she said.

“Ex-stepdad,” she clarifies (viaVogue).

Viewing this on a timeline, Thompson was married to Jenner from 1981 to 1986.

Then, Thompson and Foster were married from 1991 to 2005 (viaUs Magazine).

Hadid and Foster were married from 2011 to 2015 (viaUs Magazine).