Final answer:
Aretha Franklin is named after her father, Rev. Clarence LaVaughn Franklin
Step-by-step explanation:
Aretha Franklin is named after her father's middle name, Rev. Clarence LaVaughn Franklin, who was also known as C. L. Franklin. Aretha's father was a prominent Baptist minister and civil rights activist. The initials ITB in the question stand for 'In These Bones,' which is a reference to the novel 'The Water Dancer' by Ta-Nehisi Coates. In the novel, the character Hiram Walker uses this phrase as a reminder of his family history and heritage.