Bachelor in Creative Writing, Bennington College.
Born Betty Kay Ageloff in New York City, Aberlin had a regular role on the children"s television series Mister Rogers" Neighborhood. She also appeared on The Smothers Brothers Show (1975) and various television spots. She had a supporting role as "Cheryl" in the Joseph Papp production of Cryer & Ford"s "I"m Getting My Acting Together and Taking it on the Road" at The New York Shakespeare Festival"s Public Theatre in New New York\r\nMusician Jonathan Coulton wrote the song "Lady Aberlin"s Muumuu" about Aberlin"s Mister Rogers character.
Volunteer chaplain's office Rikers Island, New York City. Volunteer Children's Hospital, Los Angeles. Organizer Save the Theaters.