Even if it’s not National Sibling Day, it’s always a good time to honor your loved ones. Obviously, this applies to celebrities too. We’re absolutely obsessed with famous celebrity siblings like Miley Cyrus and Noah Cyrus, but some stars have brothers and sisters that you totally didn’t know about. Or totally forgot about! For instance, you’re definitely aware that Nash Grier and Hayes Grier are related, but are you familiar with their older brother, Will Grier? He’s a football player who is also married and a dad to an adorable little girl.

From Demi Lovato to Taylor Lautner, plenty of actors, web stars, and singers have brothers and sisters you probably don’t know about. Some sibs are normal people who eschew the spotlight, while others are budding stars in their own fields. And hey, it must be cool to have a famous sibling, right?

Check out the gallery to see more celebrity siblings you didn’t know existed.

Additional reporting: Jennifer Maldonado

This article was originally published on April 3, 2015.

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