if you prefer
let translate here

B19(GSS)

B19(GSS) is a queen of Grzegorz Serafin (PL) mated in 2020, descendant G13 of Kangaroo98R. She is a Buckfast who comes from a line of very pure ligurica (imp. Peter Davis, Kang. Island)-combination well established.

B19(GSS)	=	imq .20 – B100(vdB) mrk M102(MKN) [34 dr.c.]	:	.18 – B645(vdB) mrk B100(PJ) [33 dr.c.]	:
		.16 – B207(vdB) mrk B59(MKN) [28 dr.c.]	:	.14 – B63(TR) bal B54(TR) [22 dr.c.]	:
		imq .12 – B137(TR) bal B72(TR) [24 dr.c.]	:	.11 – B55(TR) bal GR109(TR) [24 dr.c.]	:
		.09 – B98(TR) mrk B171(TR) [18 dr.c.]	:	.08 – B202(TR) bal B110(TR) [15 dr.c.]	:
		imq .06 – L244(AM) aml B25(CS) [15 dr.c.]	:	.05 – L55(AM) bal NO61(TR) [19 dr.c.]	:
		.03 – L173(AM) aml UG99570 [10 dr.c.]	:	.02 – L31(AM) aml A85(AM) [11 dr.c.]	:
		.01 – LSA10(AM) ins LSA10(AM)	:	.98 – Kangaroo98R × KangarooM (very pure ligurica (imp. Peter Davis, Kang. Island))


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Color code and Abbreviations

Queens from one strain, but mated by drones from another strain .
Their population and daughters (and drones of them) are F₁ crossed.

Queen and Drones have the same ancestors: combination to increase or stabilize some characteristics

Queen and Drones, Aunt-Nephews, are F₁ this is a real Mendelian F₁ cross.

Queen and Drones result of a cross between two different lines : interesting to increase their resistance and qualities.

Breeders
AMTB (AM):	Ameland Island matingstation
CS :	Christian Salau (DE)
GSS :	Grzegorz Serafin (PL)
MKN :	Foundation Buckfast Marken (NL)
PJ :	Paul Jungels (LU)
TR :	Thomas Rueppel (DE)
UG :	Ulf Gröhn †2012 (SE)
vdB :	Johann & Iris van den Bongard (DE)

Races — Do use them
A:	anatolica
B:	buckfast
GR:	Graaff-Reinet
Li:	ligurica
M:	monticola - East-African Mountains
MG:	Margret's hive No 5
NO:	N°62

Importation mode
imq :	Laying queen imported

Mating Places, etc
aml :	Ameland island (NL – Friesland)
bal :	Baltrum island (DE)
ins :	Instrumental insemination
mrk :	Marken peninsula (NL)

if you preferlet translate here

B19(GSS)

if you prefer
let translate here