Hebrews 9:4

9:4 It contained the golden altar of incense and the ark of the covenant covered entirely with gold. In this ark ¹  were the golden urn containing the manna, Aaron’s rod that budded, and the stone tablets of the covenant.

Hebrews 11:12

11:12 So in fact children ²  were fathered by one man – and this one as good as dead – like the number of stars in the sky and like the innumerable grains of sand ³  on the seashore. ⁴ 

[9:4]  ¹ tn Grk “in which”; in the translation the referent (the ark) has been specified for clarity.

[11:12]  ² tn Grk “these”; in the translation the referent (children) has been specified for clarity.

[11:12]  ³ tn Grk a collective “the sand.”

[11:12]  ⁴ sn An allusion to Gen 22:17 (which itself goes back to Gen 15:5).