Pedigree of

Guide Dogs Raven

Nov 22, 1954
AKC W989768
Black, Tan
Breeder: Guide Dogs for the Blind Inc

Notes: COI: 10.90%

Guide Dogs' Guard
Oct 2, 1952
AKC W989766
Black, Tan

Guide Dogs Beau
Jul 21, 1951
AKC W989764
Black, Tan

Guide Dogs Flash
Jan 7, 1950
AKC W989763
Black, Tan

Britta von Modenapark
Feb 22, 1946
AKC W739098 (Import)
Black, Silver, Tan

Gerda of Powellhurst
Aug 26, 1949
AKC W187892
Black, Tan

Correct D'Sign of Powellhurst
Feb 6, 1948
AKC W133891
Black, Tan

Ramona of Powellhurst
Mar 8, 1947
AKC W64698
Black, Tan

Guide Dogs Belinda
Mar 31, 1952
AKC W888380
Black, Tan, Silver

Frank of Ledge Acres
Dec 8, 1947
AKC W144766
Black, Tan

Vosefeld's Arras

Oct 26, 1944
AKC A989282
Tan, Black Markings

Helen of Ledge Acres
Jun 8, 1946
AKC W52042
Grey, Dark Mask

Britta von Modenapark
Feb 22, 1946
AKC W739098 (Import)
Black, Silver, Tan

Harry vom Knerling


Burga vom Haus Arnold


Legend for German Shepherd Gene Study
  White Carrier
  Black Carrier
  Blue Carrier
  Liver Carrier

The German Shepherd Gene Study tracks the recessive "masking" white
and recessive black genes forward through the generations.

Genes come in different varieties, called alleles. Somatic cells contain two alleles for every gene, with one allele provided by each parent. Often, it is impossible to determine which two alleles of a gene are present within an dog's chromosomes based solely on the outward appearance of that dog. However, an allele that is hidden, or not expressed by, can still be passed on to that dog's offspring and expressed in a later generation.

German Shepherds can carry one or both of the recessive white "masking" and/or the recessive black gene.

(A masking gene masks the real color and pattern of the dog. The only way the gene can be expressed in some of the offspring is if both parents carry it. For example, when a white dog is bred to a non-white dog that does not carry the white gene, none of the offspring will express the white coat but they will be carriers of the white gene. If those offspring are bred to a white, some of their offspring will express the white coat color. White bred to white will always produce white offspring.)

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The German Shepherd Dog Database Project makes no guarantees as to the accuracy of the data published at this site. We have made every effort to verify all entries, but the German Shepherd Dog Database Project is not a registry so all data included has been submitted by dog owners or taken from registry reports and AKC Stud Books. Please contact us to report any errors or omission.

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