Oia Calligaris is an on and off Broadway actress and is the paternal grandmother of Effie Calligaris through her son, Matteo.
Oia Marie Calligaris
Boomer De La Vega (step-son)
Lottie De La Vega (step-daughter)
Rowan Carrelli (step-granddaughter)
Carmen Carrelli (step-granddaughter)
Gina Griffiths Calligaris (ex-daughter-in-law)
Piper Ross (ex-daughter-in-law)
Hanna Cavanaugh Calligaris (ex-daughter-in-law)
Grace Hummel (daughter-in-law)
Jo Calligaris (daughter-in-law)
Emmanuel De La Vega (husband)
Rick Houghton (one-night stand)
Nolan Houma (ex-boyfriend)
Andrew Miller (ex-husband)
Nine Unnamed Husbands
Asher Ferguson (ex-husband)
Ramon Carrejo (ex-husband)
David Draycott (ex-husband)
Oia was born in Versailles, Indiana. According to her son Matteo, her parents-the perfect American small-town "stereotypes" and had a successful restaurant called "Dancing Zorba's." She coped with the difficulties of raising eleven children after so many unsuccessful marriages and terrible boyfriends, but was somehow wowed by Matteo when he said they were great father figures in his life.
Meeting Rick Houghton Edit
At some point, she met Rick Houghton and on their first date, they slept together. The two didn't know each other's names and Oia discovered that she was pregnant with Matteo and Salvatore.