Mother Eternal (1921)

Unable to support her second child, a boy, Alice Baldwin gives him up to the wife of Edward Stevens, a wealthy manufacturer. Her other child, a daughter, grows up, marries, and selfishly neglects her mother. Twenty years pass, and Alice's son, Edward, Jr., wins a place in the Stevens piano factory and falls in love with Julia Brennon, the owner's daughter. Meanwhile, the mother leaves home when her son-in-law objects to her presence, and she is rescued from a suicide attempt by Edward and Julia. At his foster father's home he realizes her identity, and at last they find happiness together.

Unfortunately the movie Mother Eternal is not yet available on Disney Plus.