He showed up in America looking for his younger sister , Terra , to bring her back to Markovia .
Geo Force is the older brother of Terra and the crown prince of Markovia , his and Terra 's homeland .
brother showed up in America looking for brother 's younger sister , Terra , to bring her back to Markovia .
Geo Force is the older brother of Terra and the crown prince of Markovia , his and Terra 's homeland .