It contained the golden altar of incense and the ark of the covenant (diathēkēs | διαθήκης | gen sg fem) covered on all sides with gold, in which were the golden urn containing the manna, Aaron’s rod that had budded, and the stone tablets of the covenant (diathēkēs | διαθήκης | gen sg fem).
Reference
Hebrews 9:4
Sequence
21