Spanish Documents...meaning of word

Anyone familliar with reading these at all...I have one abreviation that has been driving me crazy... its in a manda doc...Abreviation for not sure if its hermano, or heredero, (a lowercase h and what looks like an r and an o above it)its right before the name Anton de Villalpando and Hernando de Villalpando see below ...

http://s30.photobucket.com/albums/c302/1traviesa/?action=view&current=alonzovillal.jpg