|Age||In her 30's|
|Country||Llandewi Breffi, Wales|
|Introduced In||Series 1|
|Appears In||Series 2|
|Conflicts With||Daffyd Thomas|
Rhiannon is in a homosexual relationship with Myfanwy. She was first named in Series 1 after Myfanwy said she was going on a date with her to Daffyd Thomas, but she first appeared in Series 2 after her's and Myfanwy's wedding. She hates Daffyd for not accepting their relationship.