Jesus parents Mary and Joseph

and it's relatively recent, 1950

https://www.bpl.org/blogs/post/origins-and-practices-of-the-assumption-of-mary/#:~:text=Assumption%20Day%20commemorates%20the%20belief,of%20physical%20decay%20upon%20death.

Although the holiday goes by many different names -- Assumption of the Blessed Virgin Mary, the Dormition of the Most Holy Mother of God, and the Feast of the Assumption to name a few -- it has been celebrated since the fourth century C.E.

In 1950, Pope Pius XII declared the Assumption of Mary official dogma of the Roman Catholic Church. The Catholic Church teaches that the Virgin Mary "having completed the course of her earthly life, was assumed body and soul into heavenly glory."

Catholics celebrate the Ascension of Jesus and the Assumption of Mary. I had always "assumed" that the distinction was that the Apostles actually witnessed the Ascension of Jesus, and no one witnessed the Assumption of Mary. Perhaps it's a distinction without a difference.

The Cathedral of Toledo in Spain was originally a Visigoth Christian Church, then it was a Muslim Mosque, and then it was a Gothic Cathedral. Within this Cathedral is a spot where Mary descended to earth...

https://www.catedralprimada.es/en/info/capillas/capilla-de-la-descension/