Unless he totally lacks Italic ancestry like Cretans do I suppose he could be a Greek. [TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]C6_Iron_Age_Mediterranean:R437_(Latin_Prenestini_Tribe)_Palestrina_Selicata[/TH]
[/TR]
[TR]
[TD="bgcolor: #FF1F00, align: right"]14.10277987[/TD]
[TD]Latini_o:R850:Antonio_2019[/TD]
[/TR]
[/TABLE]
R850 is from 500-800BC, not a Greek.
300BC-400BC and 700-800BC Campanian Greek samples cluster with Aegean BA.
The other one R437 has an Italic Y-DNA, he could be a mixed with Greek. Again I saw one Bulgarian-like Early Medieval Slavic sample I don't go around using it as a source to estimate the Slavic ancestry in Modern Greek. Coincidences can happen. He is quite close to TAQ021 and ETR013 Etruscan. Who were those I don't remember?
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]C6_Iron_Age_Mediterranean:R437_(Latin_Prenestini_Tribe)_Palestrina_Selicata[/TH]
[/TR]
[TR]
[TD="bgcolor: #32FF00, align: right"]1.47349924[/TD]
[TD]Prenestini_o_IA:R437:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #35FF00, align: right"]1.57206870[/TD]
[TD]Szolad40:Amorim_2018[/TD]
[/TR]
[TR]
[TD="bgcolor: #57FF00, align: right"]2.57128373[/TD]
[TD]C6-Villa_Magna_MA:R52:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #5AFF00, align: right"]2.63738507[/TD]
[TD]VEN005:Etruscan_Pre-Print_2021[/TD]
[/TR]
[TR]
[TD="bgcolor: #6EFF00, align: right"]3.23655681[/TD]
[TD]C6-Via_Paisiello_Necropolis_Imperial_Rome:R131:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #7BFF00, align: right"]3.62056625[/TD]
[TD]C5-S_Ercolano_Necropolis_Ostia_Late_Antiquity:R122:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #7CFF00, align: right"]3.65334094[/TD]
[TD]TAQ021:Etruscan_Pre-Print_2021[/TD]
[/TR]
[TR]
[TD="bgcolor: #7CFF00, align: right"]3.65811427[/TD]
[TD]C6-Villa_Magna_MA:R56:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #9AFF00, align: right"]4.52726187[/TD]
[TD]C6-Via_Paisiello_Necropolis_Imperial_Rome:R113:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #A2FF00, align: right"]4.75920161[/TD]
[TD]C6-Civitanova_Marche_Imperial_Rome:R836:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #AAFF00, align: right"]5.00437808[/TD]
[TD]C6-Centocelle_Necropolis_Imperial_Rome:R49:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #AFFF00, align: right"]5.15021359[/TD]
[TD]ETR013:Etruscan_Pre-Print_2021[/TD]
[/TR]
[TR]
[TD="bgcolor: #B0FF00, align: right"]5.17129578[/TD]
[TD]C6-Villa_Magna_MA:R65:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #B2FF00, align: right"]5.22837451[/TD]
[TD]C6-Celio_Late_Antiquity:R35:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #B7FF00, align: right"]5.38457984[/TD]
[TD]C6-Centocelle_Necropolis_Imperial_Rome:R47:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #B8FF00, align: right"]5.41330768[/TD]
[TD]C6-Villa_Magna_MA:R1290:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #B8FF00, align: right"]5.41936343[/TD]
[TD]C6-S_Ercolano_Necropolis_Ostia_Late_Antiquity:R117:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #C9FF00, align: right"]5.92514979[/TD]
[TD]C6-Tivoli_Palazzo_Cianti_MA:R973:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #D6FF00, align: right"]6.29974603[/TD]
[TD]VEN015:Etruscan_Pre-Print_2021[/TD]
[/TR]
[TR]
[TD="bgcolor: #E0FF00, align: right"]6.60195426[/TD]
[TD]C6-S_Ercolano_Necropolis_Ostia_Late_Antiquity:R118:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #E2FF00, align: right"]6.65120290[/TD]
[TD]Balkan_(Bulgaria)_IA:I5769:Mathieson_2018[/TD]
[/TR]
[TR]
[TD="bgcolor: #E5FF00, align: right"]6.74048960[/TD]
[TD]C6-Villa_Magna_MA:R58:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #E6FF00, align: right"]6.75876468[/TD]
[TD]C6-Villa_Magna_MA:R53:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #E9FF00, align: right"]6.85132834[/TD]
[TD]C6-Villa_Magna_MA:R59:Antonio_2019[/TD]
[/TR]
[TR]
[TD="bgcolor: #E9FF00, align: right"]6.86230282[/TD]
[TD]C6-Villa_Magna_MA:R57:Antonio_2019
[/TD]
[/TR]
[/TABLE]
[TABLE="class: distances"]
[TR]
[TH="align: right"]Distance to:[/TH]
[TH="align: left"]C6_Iron_Age_Mediterranean:R437_(Latin_Prenestini_Tribe)_Palestrina_Selicata[/TH]
[/TR]
[TR]
[TD="bgcolor: #A3FF00, align: right"]4.78842354[/TD]
[TD]Italian_Campania[/TD]
[/TR]
[TR]
[TD="bgcolor: #CFFF00, align: right"]6.09424319[/TD]
[TD]Italian_Abruzzo[/TD]
[/TR]
[TR]
[TD="bgcolor: #DEFF00, align: right"]6.53940364[/TD]
[TD]Italian_Sicily[/TD]
[/TR]
[TR]
[TD="bgcolor: #EAFF00, align: right"]6.86971615[/TD]
[TD]Italian_Calabria[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFE400, align: right"]8.29677046[/TD]
[TD]Ashkenazi_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFDD00, align: right"]8.48859847[/TD]
[TD]Italian_Marche[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFD100, align: right"]8.83920245[/TD]
[TD]Italian_Apulia[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFBA00, align: right"]9.52056196[/TD]
[TD]Moldovan_Jewish[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFB600, align: right"]9.63911303[/TD]
[TD]Italian_Lazio[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFAE00, align: right"]9.86986829[/TD]
[TD]Italian_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FFA600, align: right"]10.12004447[/TD]
[TD]Greek_Lemnos[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9500, align: right"]10.62487647[/TD]
[TD]Greek_Fournoi[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9000, align: right"]10.75777393[/TD]
[TD]Greek_Izmir[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF9000, align: right"]10.76664293[/TD]
[TD]Greek_Foca[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8900, align: right"]10.97605576[/TD]
[TD]Greek_Athens[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8400, align: right"]11.12096219[/TD]
[TD]Greek_Central[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF8400, align: right"]11.12913743[/TD]
[TD]Greek_Icaria[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7A00, align: right"]11.40172794[/TD]
[TD]Sephardic_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF7300, align: right"]11.63032244[/TD]
[TD]Italian_Romagna[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF6F00, align: right"]11.74761678[/TD]
[TD]Greek_Crete[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF5900, align: right"]12.38374338[/TD]
[TD]French_Corsica[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF5500, align: right"]12.50016000[/TD]
[TD]Greek_Kos[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF4900, align: right"]12.84365602[/TD]
[TD]Greek_Rhodes[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF4700, align: right"]12.92229856[/TD]
[TD]Morocco_Jews[/TD]
[/TR]
[TR]
[TD="bgcolor: #FF3C00, align: right"]13.22422398[/TD]
[TD]Greek_Peloponnese
[/TD]
[/TR]
[/TABLE]