Bay & Daphne
Bay Madeline Kennish was born in the early morning of October 22, 1995 at 1:22am to biological parents Regina Vasquez and Angelo Sorrento but was raised by Kathryn Kennish, a stay at home mother, and John Kennish, former pro third baseman, alongside their older son Toby. Bay is a couple of minutes older than Daphne. Bay is played by Vanessa Marano and Daphne is played by Katie Leclerc.
Credit: Switched at Birth Wikia