 Sempronia is known to have been alive in 102-101 BC, when she was forced to testify in court by a person who claimed to be Tiberius Gracchus' illegitimate son, which she indignantly denied.She refused to kiss him in the forum and rejected his claims.Sempronia is featured in the painting "Cornelia, Mother of the Gracchi, Pointing to her Children as Her Treasures" by Angelica Kaufmann, an eighteenth-century European artist.