 By 1975, this unidentified third house—said to be the oldest original structure on the grounds—was no longer standing.Nine royal tombs were located in the north-eastern quadrant of the Rova grounds.These included the two large tombs of King Radama I (d.1828) and Queen Rasoherina (d.1868), as well as seven ancient wooden tombs known collectively as the Fitomiandalana.