Nicene and Post-Nicene Fathers, Ser. II, Vol. XIV:
The Canons of the Synods of Sardica, Carthage, Constantinople, and Carthage Under St. Cyprian, Which Canons Were Received by the Council in Trullo and Ratified by II. Nice.: Canon XXXVI

p. 460 Canon XXXVI.  (Greek xxxix.)

That bishops or clergymen are not to be ordained unless they have made all their family Christians.

None shall be ordained bishop, presbyters, or deacons before all the inmates of their houses shall have become Catholic Christians.

Notes.

Ancient Epitome of Canon XXXVI.

He shall not be ordained who hath not made all his household orthodox.

This canon is Canon xvij. of the Synod of Hippo, a.d. 393.