Mary, mother of James is identified in the synoptic gospels as one of the women who went to Jesus' tomb after he was buried.
Mark 16:1 and Luke 24:10 refer to "Mary the mother of James" as one of the Myrrhbearers, the women who went to the tomb of Jesus.
Matthew 27:56 says that "Mary the mother of James and Joseph" was watching the crucifixion from a distance.
[1] According to the surviving fragments of the work Exposition of the Sayings of the Lord of the Apostolic Father Papias of Hierapolis, who lived c. 70–163 AD, "Mary, mother of James the Less and Joseph, wife of Alphaeus was the sister of Mary the mother of the Lord, whom John names of Cleophas".
[3][4] Her relics are said to be both in France at the Church of the Saintes Maries de la Mer, and in Italy.