First Born Children Are Smarter Than Their Siblings

HOW BIRTH ORDER CAN SHAPE YOUR PERSONALITY

The Oldest Child Is Smarter and Here's Why

Why Older Siblings are Smarter???

Younger siblings when they are with older siblings #shorts

Older Sibling VS Younger Sibling #shorts

YOUNGER SIBLINGS ALWAYS GET THEIR WAY😭🤦🏽‍♂️😂 #shorts #viral

Oldest Child Vs. Middle Child Vs. Youngest Child #Shorts

Siblings VS Only Child 😂

First-born children may be smarter than their siblings, study finds

First-born children are smarter than younger siblings

Every younger sibling 😂

Older vs. Younger Brother: Splitting Food

Discussion is over: Older Siblings are smarter according to science

Oldest Siblings Are The Smartest😱

What it’s really like having a little sister… #siblings #family