Clementine Deen (Johnson) - Sister of President Andrew Johnson

Are the parents connected to Clementine correct? Is there documentation?

Asking because on Ancestry it shows:

Clementine D Johnson
BIRTH1819 Tennessee, USA

sources (3)records (3)

Family Info

Father
Enoch Hambrick (1780–1825)

Mother
Nancy Johnson (1785–)

Any clarification / documentatoin about her parents would be appreciated. Thanks.