Conversation so far:
Where was Blind Lemon Jefferson born?
Blind Lemon Jefferson was born near Coutchman, Texas.
Who are Blind Lemon Jefferson's parents?
Blind Lemon Jefferson was born to Alex and Clarissa Jefferson, who were African-American sharecroppers.
Did Blind Lemon Jefferson have any siblings?
Blind Lemon Jefferson had six or seven siblings.
Where did Blind Lemon Jefferson go to school?
What did Blind Lemon Jefferson do in life that was significant before Jefferson started a music career?
Blind Lemon Jefferson began playing guitar in his early teens and began performing at picnics and parties. He became a street musician, playing in East Texas towns by barbershops and street corners.
What was Blind Lemon Jefferson's first gig?
Blind Lemon Jefferson sang in brothels and bars.
What else can you tell me of note about Blind Lemon Jefferson besides where he was born, his family,  his school, and early life as a musician?
Disputes regarding the date of Blind Lemon Jefferson's birth derive from contradictory census records and draft registration records.

Question: Did he have family, then?
Self-contained rewrite: Did Blind Lemon Jefferson have family during the disputes with his date of birth?