Question: Who is the stepmother of Sinibaldo Ii Ordelaffi?

Knowledge 1: Sinibaldo II Ordelaffi
Sinibaldo II Ordelaffi (1467–1480) was the lord of Forlì in 1480, inheriting it from his father Pino III Ordelaffi.After his death the Ordelaffi lost the control of the city, who was acquired by Pope Sixtus IV's nephew Girolamo Riario.Sinibaldo's relative Francesco V Ordelaffi shortly claimed the lordship, but in vain. [SEP] Knowledge 2: Pino III Ordelaffi
Pino III Ordelaffi (March 1436 – October 1480) was an Italian condottiero and lord of Forlì.He was a member of the Ordelaffi family.The son of AntonioI Ordelaffi, he was the brother of Francesco IV Ordelaffi, lord of Forlì from 1448.In 1462 he married Barbara Manfredi, daughter of Astorre II, lord of Faenza.In 1463 Pino fell ill:Francesco was suspected of having poisoned him, but he recovered.In 1466, as Francesco lay ill in turn, Pino's seized the city and assumed the lordship of Forlì and Forlimpopoli.Soon after Barbara died, and Astorre Manfredi suspected Pino of poisoning her out of jealousy.Therefore, Pino sought an alliance with Taddeo Manfredi, lord of Imola and rival of Astorre, to counter the latter's attempt to oust him with the help of the Pope.Pino married Taddeo's daughter Zaffira, but in 1473 he also had her poisoned.Pino also had his mother poisoned in 1467.He then marriedLucrezia Pico della Mirandola, sister of Giovanni Pico della Mirandola, who a contemporary noted was "always very careful with what she ate".Giovanni Pico della MirandolaIn 1467 he also took part in the Battle of Molinella, where he was wounded.Pino was a patron of the arts, building numerous edifices in Forlì; he also completed the construction of the walls and strengthened the Castle.A monument commissioned by Pino to Francesco di Simone Ferrucci for his wife Barbara's tomb can be seen in the Abbey of San Mercuriale in Forlì.He died in 1480, being briefly succeeded by his son Sinibaldo before the acquisition of the Forlivese lands by Girolamo Riario.
Knowledge 1: Sinibaldo II Ordelaffi
Sinibaldo II Ordelaffi (1467–1480) was the lord of Forlì in 1480, inheriting it from his father Pino III Ordelaffi.After his death the Ordelaffi lost the control of the city, who was acquired by Pope Sixtus IV's nephew Girolamo Riario.Sinibaldo's relative Francesco V Ordelaffi shortly claimed the lordship, but in vain. [SEP] Knowledge 2: Livia Ocellina
Livia Ocellina was the second wife of Gaius Sulpicius Galba and the stepmother of the Roman Emperor Galba.According to Suetonius she was: Galba was raised by her and took on the name Lucius Livius Ocella( rather than his birth name of Servius Sulpicius Galba) during the period prior to his assumption of the purple.
Knowledge 1: Sinibaldo II Ordelaffi
Sinibaldo II Ordelaffi (1467–1480) was the lord of Forlì in 1480, inheriting it from his father Pino III Ordelaffi.After his death the Ordelaffi lost the control of the city, who was acquired by Pope Sixtus IV's nephew Girolamo Riario.Sinibaldo's relative Francesco V Ordelaffi shortly claimed the lordship, but in vain. [SEP] Knowledge 2: May Green Hinckley
May Green Hinckley( May 1, 1881 – May 2, 1943) was the third general president of the Primary of The Church of Jesus Christ of Latter- day Saints( LDS Church) from 1940 until her death.She was the stepmother of Gordon B. Hinckley, fifteenth president of the LDS Church.

Answer: Barbara Manfredi