Dora Winifred Read (Theo's sister)

Dora Winifred Read (Theo's sister)
Gender	Female
Animal	Aardvark
Family	Theo (brother) Thora's father (brother) Thora Read (niece) David Read (grand-nephew) Arthur Read (great grand-nephew) D.W. Read (great grand-niece) Kate Read (great grand-niece)

Dora Winifred Read is the deceased sister of Theodore Read and Thora's father. She is seen in a photograph in the special "The Rhythm and Roots of Arthur," when D.W. learns that she is named after her and behaves quite similarly as well.

According to Theo "she was only a year older but she was the BOSS"