She's truly passionate about health research and keeping healthy, almost obsessed by it. Also she's strong willed, and energetic. Good traits for founding 23andMe.
As www.nytimes.com/2017/11/18/style/anne-wojcicki-23andme-genetics.html puts it well:
The Wojcickis grew into Silicon Valley royalty. It’s the sort of family, Anne jokes, where “you’re only a viable fetus once you have your Ph.D.
Video 1.
Anne Wojcicki interview by Talks at Google (2018)
Source. She's athletic! As mentioned at: www.vanityfair.com/style/2014/04/sergey-brin-amanda-rosenberg-affair. And despite the name, and unlike Sergey, she's completely american as seen from her perfect accent!
Really cool to see her focus on education, e.g. Moonshots in Education.
There is basically no information about them online, only some uncited sources such as: abtc.ng/chloe-wojin-all-what-you-need-to-know-about-sergey-brins-daughter/

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Sergey Brin is a computer scientist and entrepreneur best known as one of the co-founders of Google. He was born on August 21, 1973, in Moscow, Russia, and emigrated to the United States with his family in 1979. Brin earned a Bachelor’s degree in computer science from the University of Maryland, College Park, and later went on to pursue a Ph.D. at Stanford University, where he met Larry Page.