Celtic Similarities

Reading a book called The Sea Kingdoms, The History of Celtic Britain and Ireland, I was struck by some interesting cultural parallels between Celtic tradition and Judaism. On page 7 a description is given of the last battle between a truly Celtic army and the British army. The soldiers in the Celtic army prepared for battle by reciting their lineage going back up to 100 generations. This reminds me of what the Torah describes each time a Jewish army is formed about the people recalling their families to their father's homes.
The second thing I found interesting is that the Celtic community on the Isle of Man required that their judges memorize the entirety of their common law. Once a year they gather together for a public recital of their laws. Until 1690 they did not allow the law to be written down at all, and only then did they permit it because they were forced to do so by the British. Until 1919 any law not recited at the yearly gathering had no force. This reminded me very much of the Oral Law of the Torah.