[blam]

540AD was also the beginning of the Dark Ages, many people died and very little was written for 100-200 years.

The Dark Ages: Were They Darker Than We Imagined?

"It was a time when European civilisation stagnated - even that term is a generous description of the living standards and social setting of the next few centuries."

[ASA Vet]

540AD was also the beginning of the Dark Ages, many people died and very little was written for 100-200 years

Which has really made it difficult doing my geneology back past about 740CE.