Where To Stream Who Do You Think You Are? Season 20 Episode 5

Doctors Chris and Xand van Tulleken are identical twins, medical doctors and science broadcasters. They grew up in London, surrounded by old paintings and documents commemorating a host of characters from their Dutch ancestry. But despite the wealth of the family archive, the twins know very little about their Dutch family history, except how to pronounce their surname correctly and rumours of a connection to Dutch nobility. A chat with mum and dad provides some intriguing clues, a coat of arms...