Which person on the pedigree could not pass the sickle cell disease to his/her offspring?

Sickle cell anemia is a genetic disease with symptoms like anemia and pain. It is caused by a mutation in the hemoglobin beta gene in chromosome . This is inherited via autosomal recessive which means both should have the disease to be a carrier,

Non living: objects like rocks, buildings, and snow.living: animals, plants and humans.