'Sister' in the Bible

For whoever does the will of my Father who is in heaven, he is my brother, and sister, and mother."

For whoever does the will of God, the same is my brother, and my sister, and mother."

She had a sister called Mary, who also sat at Jesus' feet, and heard his word.

But Martha was distracted with much serving, and she came up to him, and said, "Lord, don't you care that my sister left me to serve alone? Ask her therefore to help me."

Now a certain man was sick, Lazarus from Bethany, of the village of Mary and her sister, Martha.

Now Jesus loved Martha, and her sister, and Lazarus.

When she had said this, she went away, and called Mary, her sister, secretly, saying, "The Teacher is here, and is calling you."

Jesus said, "Take away the stone." Martha, the sister of him who was dead, said to him, "Lord, by this time there is a stench, for he has been dead four days."

But there were standing by the cross of Jesus his mother, and his mother's sister, Mary the wife of Clopas, and Mary Magdalene.

I commend to you Phoebe, our sister, who is a servant of the assembly that is at Cenchreae,

Greet Philologus and Julia, Nereus and his sister, and Olympas, and all the saints who are with them.

Yet if the unbeliever departs, let there be separation. The brother or the sister is not under bondage in such cases, but God has called us in peace.

that no one should take advantage of and wrong a brother or sister in this matter; because the Lord is an avenger in all these things, as also we forewarned you and testified.

And if a brother or sister is naked and in lack of daily food,

The children of your chosen sister greet you. Amen.