Saphron is Terra's wife. She and Saphron get along very well and have a healthy marriage. In "Our Way:, Terra is seen looking for her wife and son in the crowd until she reunited with them. The three then witness a Leviathan approaching Argus.
Adrian is Terra's son. She loves and cares for him very much.
There has not been much interaction between them, but she gives Blake the coordinates to the Argus radar tower and tells her that their conversation never happens, as she does not want to be held responsible for Blake and the others stealing an airship.
Jaune is Terra's brother-in-law. There has not been much interaction between them, but she decides to help her wife's brother and his friends to steal a airship to get to Atlas.