Susan Pesklevits (born 19 August 1948 in Saskatoon, Saskatchewan) was a Canadian
singer who later adopted the stage name Susan Jacks. She began performing at age
fifteen on the national television show Music Hop and appeared on several other
Canadian programs, establishing her presence in the local music scene. Her first
recorded singles were released with the Vancouver duo “The Eternal Triangle,”
and in 1966 she met Terry Jacks, who would become her musical partner and
husband. The duo formed the trio The Poppy Family, achieving international
success with the 1969 single "Which ...