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In page June Pointer:

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Born the youngest of six children to minister parents Reverend Elton and Sarah Pointer, June shared a love of singing with her sisters. In 1969, she and sister Bonnie founded The Pointers - A Pair. The duo sang at numerous clubs, then became a trio later that year when sister Anita quit her job as a secretary to join them. The group officially changed its name to The Pointer Sisters. The trio signed a record deal with Atlantic Records and released a few singles, none of which made a substantial impact on the music charts. In 1972, sister Ruth joined the group, making it a quartet. The sisters then signed with Blue Thumb Records, and their career began to take off.