Try this G25 Calculator from Anthrogenica.com

[Vessna]

Target: Vessna_scaled
Distance: 1.7709% / 0.01770949
38.0 Baltic(Lithuania)
34.8 Slavic_East
16.6 Slavic_West
6.2 Goth_Greuthungi(Crimea)
2.2 Finnic
2.2 Illyrian(Croatia)

[ToySoldierEnthusiast]

Distance to: ToySoldierEnthusiast_scaled
0.04267251 Taiwanese_Sui
0.07485357 Chinese_Lada
0.08052763 Chinese_Yiyang
0.08209237 Chinese_Shenxian
0.08317767 Vietnamese
0.08405024 Chinese_Layi
0.08500845 Chinese_Cenxun
0.09483103 Chinese_Banda
0.09716271 Javanese(Indonesia)
0.09781723 Chinese_Qinchang
0.11657692 Thai
0.11883431 Samoan
0.18423046 Japanese
0.18599758 Jehai(Malaysia)
0.18810464 Sinitic(China)
0.20784985 Heishui_Mohe(Russia*China)
0.22047242 Tibetan(Nepal)
0.22047244 Tibetan(Nepal)
0.27296772 Hun(Hungary)
0.28531254 Mongol
0.29032803 Tungusic(Siberia)
0.29395652 Jarawa(IndianOcean)
0.29778913 Hun(Kazaghstan)
0.30092120 Rouran_Khaganate(Hungary)
0.30400359 Hun

[RNB27]

Target: RNB27
Distance: 1.3042% / 0.01304239
49.6 Iberian_Southeast(Spain)
25.8 Celtic_Insular_Briton(England)
12.0 Jastorf(Germany)
6.6 Iberian_West(Portugal)
2.4 Illyrian(Croatia)
2.0 Roman_Sardinia
1.0 Cushitic(Horn_Of_Africa)
0.4 Illyrian(Serbia)
0.2 Caucasian_Alan(Russia)

[noricum]

Target: G25noricum_scaled
Distance: 1.6372% / 0.01637231
34.4 Avar(Austria)
34.2 Baltic(Lithuania)
13.8 Frank(France)
12.6 Illyrian(Serbia)
4.6 Germanic(Sweden)
0.4 Germanic_Longobard(Italian_Peninsula)

Target: G25noricum_scaled
Distance: 1.7856% / 0.01785621 | ADC: 0.25x RC
49.4 Slavic_East
26.2 Frank(France)
22.4 Avar(Austria)
2.0 Germanic(Sweden)

Distance to: G25noricum_scaled
0.03450556 Slavic_West
0.04820944 Frank(France)
0.04972970 Germanic(Sweden)
0.04999562 Slavic_East
0.05057011 Germanic_Longobard(Italian_Peninsula)
0.05446819 Celtic_Insular_Briton(England)
0.05495360 Germanic_Sealand(Denmark)
0.05785645 Celtic_Insular_Picts(Scotland)
0.05979555 Avar(Austria)
0.06074053 Germanic(Norway)
0.06210560 Jastorf(Germany)
0.07280139 Iberian_Northeast(Spain):Iberian*(AD*300–1200):Ibe ria_Northeast_c.6-8CE_ES:I7673__AD_797__Coverage_25.85%
0.08622225 Illyrian(Serbia)
0.08737419 Iberian_West(Portugal)
0.09708180 Iberian_Southeast(Spain)
0.10154387 Baltic(Lithuania)
0.11252904 Tartessian(South_Iberia)
0.11337765 Illyrian(Croatia)
0.11486384 Roman_Latium(Italy)
0.13161867 Goth_Greuthungi(Crimea)
0.14190138 Khazar
0.14321153 Armenian(Armenia)
0.14328365 Sarmatian(Russian)
0.14807201 Volga(Russia)
0.15159186 Caucasian_Alan(Russia)

[Kess]

Target: kesseras_simulated_g25_scaled
Distance: 0.7714% / 0.00771362
53.0 Sasanian_Armin(Armenia)
25.8 Caucasian_Alan(Russia)
7.8 Baltic(Lithuania)
4.8 Armenian(Armenia)
4.4 Tungusic(Siberia)
1.6 Volga(Russia)
1.2 Roopkund(India)
0.8 Alaskan
0.2 Hun
0.2 Hun(Kazaghstan)
0.2 Turkic(Kazakhstan)

[BrandenburgGaming]

Distance to: BrandenburgGaming
0.03011527 Germanic_Longobard(Italian_Peninsula)
0.03058545 Slavic_West
0.03303640 Germanic(Sweden)
0.03419169 Celtic_Insular_Briton(England)
0.03596438 Germanic_Sealand(Denmark)
0.03999448 Celtic_Insular_Picts(Scotland)
0.04073920 Germanic(Norway)
0.05067178 Frank(France)
0.05256116 Slavic_East
0.05599788 Jastorf(Germany)
0.06967964 Avar(Austria)
0.07699942 Iberian_Northeast(Spain):Iberian*(AD*300–1200):Ibe ria_Northeast_c.6-8CE_ES:I7673__AD_797__Coverage_25.85%
0.08862671 Iberian_West(Portugal)
0.09636811 Illyrian(Serbia)
0.09921707 Iberian_Southeast(Spain)
0.10009211 Baltic(Lithuania)
0.11667786 Illyrian(Croatia)
0.11675260 Tartessian(South_Iberia)
0.12272677 Roman_Latium(Italy)
0.13597547 Sarmatian(Russian)
0.13663369 Goth_Greuthungi(Crimea)
0.14293774 Volga(Russia)
0.14501358 Khazar
0.15188491 Caucasian_Alan(Russia)
0.15342048 Armenian(Armenia)

Target: BrandenburgGaming
Distance: 1.2718% / 0.01271838
52.8 Germanic_Longobard(Italian_Peninsula)
16.4 Baltic(Lithuania)
8.4 Illyrian(Croatia)
6.4 Jastorf(Germany)
6.2 Slavic_West
5.8 Roman_Sardinia
2.6 Caucasian_Alan(Russia)
1.4 Germanic_Sealand(Denmark)

had to remove the insular celts

[MBVC]

Target: MBVC_scaled
Distance: 0.0130% / 0.01302999 | R5P
51.6 Berber(North_Africa)
33.7 Sasanian_Assyrian(Iraq)
7.8 Iberian_Northeast(Spain)
4.0 Baltic(Lithuania)
2.9 Bantu(Kenya)

Distance to: MBVC_scaled
0.04532089 Berber(North_Africa)Austria)
0.06576072 Berber(North_Africa)Algeria)
0.07349585 Guanche(Canary_Islands)
0.08545039 Egyptian(Roman_Egypt)
0.10559963 Berber(North_Africa)Tunisia)
0.10926829 Tartessian(South_Iberia)
0.11077637 Berber(North_Africa)Morocco)
0.12843342 Byzantine_Levantine(Lebanon)
0.13253490 Philistine
0.13413839 Arab:
0.13452886 Israelite
0.13567529 Byzantine_Anatolian_South(Turkey)
0.13594860 Roman_Latium(Italy)
0.13808054 Iberian_Southeast(Spain)
0.14084061 Arab:
0.14129711 Byzantine_Anatolian_North(Turkey)
0.14188226 Sasanian_Assyrian(Iraq)
0.14610072 Iberian_West(Portugal)
0.14693644 Goth_Greuthungi(Crimea)
0.14764573 Illyrian(Croatia)
0.15130986 Armenian(Armenia)
0.15771168 Illyrian(Serbia)
0.16419702 Iberian_Northeast(Spain):Iberian*(AD*300–1200):Ibe ria_Northeast_c.6-8CE_ES:I7673__AD_797__Coverage_25.85%
0.16538946 Sasanian_Armin(Armenia)
0.16955359 Arab: