Saint Joseph was chosen to be guardian of Mary and the child Jesus. He will keep watch over your family if you enlist his prayer support:

God, the Father of Heaven, have mercy on us.
God the Son, Redeemer of the world, have mercy on us.
God the Holy Spirit, have mercy on us.
Holy Trinity, one God, have mercy on us.
Holy Mary, pray for us.
Holy Joseph, pray for us.

Noble Son of the House of David, pray for us.
Light of the Patriarchs, pray for us.
Husband of the Mother of God, pray for us.
Chaste Guardian of the Virgin, pray for us.
Foster-father of the Son of God, pray for us.
Sedulous Defender of Christ, pray for us.
Head of the Holy Family, pray for us.
Joseph most just, pray for us.
Joseph most chaste, pray for us.
Joseph most prudent, pray for us.
Joseph most valiant, pray for us.
Joseph most obedient, pray for us.
Joseph most faithful, pray for us.
Mirror of patience, pray for us.
Lover of poverty, pray for us.
Model of all who labor, pray for us.
Glory of family life, pray for us.
Protector of Virgins, pray for us.
Pillar of families, pray for us.
Consolation of the afflicted, pray for us.
Hope of the sick, pray for us.
Patron of the dying, pray for us.
Terror of the demons, pray for us.
Protector of the holy Church, pray for us.

O God, You were pleased to choose Saint Joseph as the husband of Mary and the guardian of your Son. Grant that, as we venerate him as our protector on earth, we may deserve to have him as our intercessor in heaven. We ask this through Christ our Lord. Amen.