||This needs a stretch.|
| Wedded Blake sister
The sixth Blake sister is a married astronaut. It can be assumed that her name starts with "D" since this applies to all the other Blake sisters - Daphne, Dawn, Daisy, Delilah and Dorothy.
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She graduated from Darrow University by the time she turned thirteen, as all the other Blake girls did, mentioned by Nan Blake, Daphne's mom, as they arrived at Darrow.
She is wedded to another astronaut. Her sister Daphne wasn't able to fit into the "bridal air-lock" at her wedding because she had swollen up so much from eating shellfish.