Twins together on the Titanic

• Carl and Lillian Asplund, aged 5
• Kate and Alice Herman, aged 24, were identical twins

Other people who were Twins

People who were twins who did not travel with their twin

• Harvey Collyer had an identical twin brother George
• Charles Osker Hendrickson had a twin sister Anna
• Erik Johansson had a twin brother Enoch
• Berthe Leroy had a twin sister Marthe
• Alfonzo Meo had a twin brother Antonio
• Charles Alfred Othen had a twin sister Florence
• Hulda Vestrom had an identical twin sister Johanna Maria, who stayed in Sweden with her parents.
• Bridget O'Driscoll had a twin brother Timothy
• Reginald Hale had a twin sister Florence
• Alfred G. Rowe had a twin sister Agnes
• Achille Waelens, third class, had a twin brother named Dociel Charles who died in Michigan in 1972.

Twin Connections

People who were not twins themselves but had twin siblings or children.

• Frederick William Barrett became a father to twins (a boy and a girl) a fortnight before joining the Titanic.
• Reginald Charles Biddlecombe was the father of boy and girl twins.
• Kate Buss had sisters who were twins
• John Joseph Diaper later became the father of twin boys.
• Johan Ekström had a brother whose twin died at birth
• William Albert Thomas Hebb later had twin daughters
• Henry Parkinson Hill had twin daughters
• Bruce Ismay had twin sisters
• Cecil Jackson had two sets of twin siblings.
• John J. Lamb had brothers who were twins
• Archibald Leader had two sets of twin siblings.
• Frank Painter had brothers who were twins
• Jack Phillips had sisters who were twins
• Adāl Najīb Qiyāmah had brothers who were twins
• Captain Smith's daughter Helen Melville Smith Russell-Cooke gave birth to twins.
• John Henry Taylor had a set of twin siblings
• Wyckoff Van der Hoef had twin sons
• William Ward one of fifteen children including two sets of twins
• Chief Officer Henry Wilde had twin sons, both died prematurely

If you know of others let us know.