This 29-year-old woman and her little sister, who’s 24, have always had a complex relationship. Growing up, her sister was ...

A new Danish study shows that children without siblings or with half- or step-siblings enter puberty significantly earlier ...

Eldest-daughter syndrome is backed by science. It's great news for parents and younger siblings.

Lauren Humphreys' parents decided to play into the coincidental pattern after naming their first two kids Zoey Lyttle is an Editorial Assistant at PEOPLE. She writes digital specials across all ...

Volunteers took his Ancestry DNA test results and matches, then used their knowledge of genealogy along with research tools ...

Does your eldest daughter often complain about being tired of taking responsibility for their younger siblings or taking care ...

Tito was also a member of the Jackson 5 before going solo and releasing two studio albums. He married Delores “Dee Dee” ...

Without a doubt, Simone Biles is one of the most recognizable faces in the world. The U.S. gymnast is also one of the most decorated athletes in the ...

Catelyn Baltierra is letting her pain be known, publicly sharing dozens of texts that she had sent — seemingly unanswered — ...

Marcelino Olguin faces 7 years in state prison when he is sentenced. His wife and daughter are expected to receive less ...

Kristin Lammert was a mom of three girls, Sophia, 9, Giuiliana, 6 and Mia, 3, who were born on Aug. 25 before welcoming her fourth baby girl Valentina who arrived on the same date this year. The girls ...

Parents can build and expand their donor families by practicing early disclosure and by facilitating early donor-family ...