Piero Raimondo Zacosta
Piero Raimondo Zacosta (; 1404 – 21 February 1467) was a Spanish knight of Aragon who served as the 38th Grand Master of the Order of the Knights Hospitaller, from 1461 - 1467. References External links http://www.netpages.free-online.co.uk/gms/gm038.htm Grand Masters of the Knights Hospitaller 1467 deaths Year of birth unknown