I did the same thing Toni, different colours for different branches and one colour for all the ones with no named connections. It did help to try and sort out where those without family trees would belong - a strong cluster of matches showed they belong to THAT particular line.
The ones I puzzle over are the ones that share DNA with my Dad only, but no-one else - none of his close or even distant cousins. With no other matches, it is impossible to figure out where the common match is and mostly they have no family trees worth anything. I have marked these with a Starred Match symbol, and I check occasionally whether there are any new common matches.
Di
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