A history of Facebook COO Sheryl Sandberg and Tom Bernthal's relationship, from hiking on their first date to getting engaged

• Facebook COO Sheryl Sandberg is engaged, People reported Monday.
• The Facebook exec is engaged to Tom Bernthal, founder and CEO of the consulting firm Kelton.
• The couple were introduced by the brother of Sandberg's late husband, and started dating in the spring.
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Facebook COO Sheryl Sandberg is engaged to Tom Bernthal, CEO and founder of an LA consulting firm, Kelton, People reported.

Sandberg, 50, was previously married to SurveyMonkey CEO Dave Goldberg, who died in 2015 from heart-related causes. She has been public about dealing with grief, and in 2017 published a book about losing her husband and finding joy again with her children. Sandberg has two children from her marriage with Goldberg.

Bernthal, 46, was previously married, and he has three children. Prioritizing their children was reportedly a common feature that bonded Sandberg and Bernthal when they were first introduced.

Here's everything we know about the couple's relationship.