The "Princess of Britz" (Bertram 2021) paper

[Wing Genealogist]

This 71 page paper (https://journals.ub.uni-heidelberg.de/index.php/apa/article/view/81232/75254) appears in a German publication and I was unable to get Google to translate it for me. Table 3 (page 48 of 71, page 298 of publication) states the individual IF 61419 falls under the R1b-U106 Haplogroup (not unsurprisingly given the fact this was a Merovingian individual) and Table 4 (following page) shows the results for 27 Y-STRs (but five of the Y-STRs failed to achieve any result).

Plugging in the Y-STR values into the NEVGEN Y-DNA Haplogroup Predictor (https://nevgen.org/) gives many results, with the vast majority being under U106>>L48. The number one result (with a 42.06% probability) fell under a subclade of Z326 (the "Null 425" clade). This is similar to the three Ergolding results (based on Y-STR markers) from the Vanek 2009 paper (https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2702742/).

The number two result only had a 9.03% probability and fell into a subclade of L48>L47.

This result has been added to my list of Ancient/Medieval/Royal U106 results at Google Docs (https://docs.google.com/spreadsheets/d/1rpJP0Bt4qUQb9wWBFA7i1tLPV75ie_qS0iplwvvlVmQ/edit?usp=sharing)

I would certainly be interested in hearing from anyone who could read this paper, especially whether any raw data of the DNA testing has been made available.

[Wing Genealogist]

A blog (https://blog.smb.museum/geheimnisse-eines-grabes-verwobene-familienbande-im-fruehmitteltalter/) which Google apparently was able to translate to English about the remains gives some details. It states where the "Princess" of Britz was actually a male teenager (roughly 12-15 years old) and he was a paternal descendant of the other skeleton (IF 19976, aged 35-45). This blog stated the elder skeleton was likely the father, grandfather or uncle of the teenager. The elder individual has been radiocarbon dated to 328-529 AD and has been added to the Google Docs spreadsheet

[Saetro]

This 71 page paper (https://journals.ub.uni-heidelberg.de/index.php/apa/article/view/81232/75254) appears in a German publication and I was unable to get Google to translate it for me.

While Google Translate has trouble engaging with reports like this, I usually find I can copy slabs of text into a translation tool and get some help.
Sometimes I can even call up* Google Translate itself to do it, but sometimes I use others. They are not quite as good as Google Translate but it's a help.
*Go into Google and ask specifically for Translate. It won't come up on your report, you have to copy and paste into it.