In Matthew 7:21, doing the Father's will is the key to entering the kingdom, paralleling the family definition in Mark 3:35.

In 1 John 2:17, doing God's will results in abiding forever, a long-term consequence of the family relationship in Mark 3:35.

In 1 John 3:23, the will of God is specified as believing in Jesus and loving others, clarifying the family criteria in Mark 3:35.

In Matthew 12:50, the same saying appears verbatim, a parallel account of Jesus defining family as those who do God's will.

In Matthew 25:40, Jesus identifies with the needy—this expands 'doing God's will' to include serving the least, showing the practical outworking of spiritual family.

In Matthew 6:10, the prayer for God's will to be done aligns with the priority of doing God's will in Mark 3:35.

In John 7:17, doing God's will leads to knowing the truth about Jesus, expanding the concept from family to discernment.

In James 1:25, being a doer of the word brings blessing, echoing the doing of God's will in Mark 3:35.

In Psalm 106:3, doing righteousness is blessed, paralleling the doing of God's will that defines Jesus' family in Mark 3:35.

In 1 John 3:22, doing what pleases God results in answered prayer, adding a practical benefit to the family bond in Mark 3:35.