origins, ancestry, a paternal kingdom/country
IOW, a child follows the condition of the father(faeder) under natural law, which was the original laws of England prior to the conquest. To be a citizen of that country/kingdom, one must have been born to a father who was a freeman/citizen of that kingdom/country. Children(faederen) belonged to the father
Dude - we are not Romans. The USA rejected the idea that parentage determines citizenship.
“because the Anglo-Saxon aka ancient Rome definition of fatherland/county is”
Saying that Anglo-Saxons are also known as ancient Romans is a supremely stupid statement.