[Charles Henrickson]

Some of the Hebrew words are abbreviations, but here's at least a partial translation:

Here lies
Abraham Yehudah, son of the worthy Dov
Died . . . Tishri . . . (date of death)
May his soul be bound up in the bond of eternal life

Here lies
Frieda (Nathan/given?) Moshe Mendel
Died Simchat Torah . . . (date of death)
May her soul be bound up in the bond of eternal life

[Charles Henrickson]

Frieda (Nathan/given?) Moshe Mendel

OK, now I see that those smaller letters after "Frieda" are the word "bat" and the letter "r," which means "daughter of the worthy." (I was having a hard time distinguishing the letter "b" from an "n" and the letter "r" from a final "n.")