Below is a chart showing the vital information in the 1790 census for the household of Daniel Donnal/Donnell (#105).
The names of all of the family members cannot be known for sure, but the white male 16 & up was Daniel Donnal/Donnell (#105). The males under age 16 were likely sons Robert Donnell, born in 1778 and ~12 years old, Daniel, born in 1784 and ~6 years old, and Daniel, born in 1790 and less than 1 year old. One of the white females was Daniel's wife, Mary Ervin Donnell (#106). Another female may have been Martha Donnell, a daughter who was born ~1782 and would have been ~8 years old. It is unknown who the third white female was. Including the three slaves, there were 10 people in the household.
Below the chart is a scan of the actual census that shows Dan'l Donnal's name highlighted in red.