Girolamo Boncompagni

Girolamo Boncompagni (23 March 1622 – 24 January 1684) was a Roman Catholic cardinal.

Biography
He was the great-grandson of Pope Gregory XIII. There were several other Cardinals in his family; he was the Grand-nephew of Cardinal Filippo Boncompagni (1572), nephew of Cardinal Francesco Boncompagni (1621) and uncle of another Cardinal Girolamo Boncompagni, archbishop of Bologna (1695).

On 4 February 1652, he was consecrated bishop by Niccolò Albergati-Ludovisi, Cardinal-Priest of Santa Maria degli Angeli e dei Martiri, with Ranuccio Scotti Douglas, Bishop Emeritus of Borgo San Donnino, and Carlo Carafa della Spina, Bishop of Aversa, serving as co-consecrators.

Episcopal succession
While bishop, he was the principal consecrator of: and the principal co-consecrator of:
 * Giulio Spinola, Titular Archbishop of Laodicea in Phrygia (1658);
 * Niccolo Pietro Bargellini, Titular Archbishop of Thebae (1665);
 * Girolamo Gastaldi, Archbishop of Benevento (1680);
 * Ascanio Ugolini, Bishop of Muro Lucano (1652).