Money is not the main source of happiness. A man could have all the riches in the world but all of it would be meaningless without a wonderful woman to share it with.

Even the world’s richest men know this. So check out the wives of the men who seemingly make the world go round. Can you say power couple?

Larry Page & Lucinda Southworth

Lucinda Southworth is married to Larry Page, the founder of Google and Alphabet CEO.

She has a PhD in Biomedical Informatics from Stanford University. Southworth is a scientist and researcher, and she married Page on December 8th, 2007, on the secluded Caribbean island Necker.

It is owned by Virgin Group founder Sir Richard Branson.

Lucinda is active with charitable work. The couple founded the Carl Victor Page Memorial Foundation, donating $15 million to help in the fight against the Ebola virus epidemic in West Africa.

Southworth is also active with her mother’s charitable organizations, the McLain Associations for Children and the Stepping Stones International Organization, which helps handicapped children, both mentally and physically.