> For the complete documentation index, see [llms.txt](https://petrus-project.gitbook.io/petrus-project/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://petrus-project.gitbook.io/petrus-project/letters/the-letter-collection/untitled-33.md).

# 90. to King Roger of Siciliy (1139/41)

But I said on this account that we still hold this in the kingdom of Sicily, since what ought to remain not only for a long time, I presume in every way from the singular friendship of so great a friend.