Aurelia Plath was the grandmother of what biologist, who was the son of English poet Ted Hughes? 
Nicholas Hughes: Nicholas Farrar Hughes (January 17, 1962 – March 16, 2009) was a fisheries biologist known as an expert in stream salmonid ecology. Nicholas Hughes:  Hughes was the son of the American poet Sylvia Plath and English poet Ted Hughes and the younger brother of artist and poet Frieda Hughes.
i don't know