Mark Zuckerberg has three siblings. Here's everything to know about Mark Zuckberg's sisters: Randi, Donna and Arielle.

It was a misunderstanding straight from the “Three’s Company” playbook. Randi Zuckerberg, sister of Facebook co-founder Mark Zuckerberg, became upset when a photo from her personal Facebook ...

Randi Zuckerberg said banning deniers from social media "will not make them go away" while citing "their hateful, disgusting rhetoric." (JTA) — Randi Zuckerberg, sister of Facebook co-founder ...

Randi Zuckerberg is an entrepreneur, investor, bestselling author and tech media personality. She is the founder and CEO of Zuckerberg Media, developing technology, content and live events all ...

Mark Zuckerberg with his sisters Randi, Arielle and Donna.

Mark Zuckerberg grew up surrounded by “smart, strong women" — namely, his three sisters: Randi, Donna and Arielle. The co-founder of Facebook and his siblings were raised in a “tight-knit” family, ...