Sien Diels plays Sien on Sesamstraat, the Dutch co-production of Sesame Street.

Sien is a mother character to Tommie, Ieniemienie, Pino and Purk. She runs the grocery store.

Sien is the only remaining cast member who's been on Sesamstraat since the first episode. She was born in Belgium; during the first seasons, Sesamstraat was a Dutch/Belgian co-production. Since the early Sesamstraat episodes focused on female emancipation, Sien was often seen wearing overalls and using tools, while the men on the show would clean the house and do the dishes.

Sien, with Tommie, Ieniemienie, Pino and Purk.

A younger Sien Diels in 1976

Sien Diels in the early 80s with a new hairstyle

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