The offender was convicted of administering a noxious substance and invitation to sexual touching in relation to his 11-year-old great-niece.
The court stayed a trafficking charge under the Kienapple principle.
The offender provided the child with crack cocaine and urged her to touch his penis.
The court found the offender was in a position of trust and the victim was vulnerable.
The court imposed consecutive sentences of 9 months for administering a noxious substance and 12 months for invitation to sexual touching, for a total of 21 months' incarceration.
The court declined to grant enhanced pre-sentence credit for bail or lockdown conditions.