Alma 63:13

Nevertheless these things were to be kept sacred, and handed down from one generation to another; therefore, in this year, they had been conferred upon Helaman, before the death of Shiblon.

These things were kept sacred and passed down from parents to children. So that year, they were given to Helaman before Shiblon died.

Still, these things had to be kept sacred and passed down through the generations. So that year, before Shiblon died, they were given to Helaman.