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To Andy Neil:
I am not expert in the Greek language but i believe
Greek name Andreas should emanate from the word “andras”
(-d- pronounced like greek Delta ) that means man.Or most likely
Andreas should emanate from the ancient word “andreios” (-ei- pronounced -e- ) that means brave man..
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Lambros: It emanates from the name of day of resurrection of Christ.
If pronounced with emphasized -a- is first name.
If pronounced with emphasized -o- means bright.

Sirivlis:(all -i- pronounced -e- ) Surname, it is the name of city from where come my ancestors (Silivri. They 'swap' l , r).