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German Shepherd Database Project

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    Pedigree of

    Alisa von der Geroldsburg

    January 8, 1921
    AKC 389728 / SZ 110966
    Wolf Grey
    Breeder: Seb Leitner, Gerolfing Germany

    Notes: COI 29.99%

    Ch (US) 
    Zillo von Simplon

    March 16, 1919
    AKC 462466 / SZ 71806
    Black, Tan

    Artur von der Emilienlust
    April 11, 1912
    SZ 31341
    Black, Tan Markings

    Horst von Boll

    May 12, 1909
    SZ 8306
    Light Grey, Dingy Markings

    Ruth Hovawarth

    December 29, 1910
    SZ 17839

    Trasa vom Simplon
    September 27, 1917
    SZ 65988
    Black, Tan

    Rolf von Karolingen
    SchH3 PH

    August 11, 1912
    SZ 38097
    Black, Tan

    Diana von Riedekenburg
    January 9, 1914
    SZ 53907
    Light Grey

    Anna vom Donaustrand
    November 14, 1918
    SZ 70294
    Grey, Light Mixed Colors

    Ami vom Bosenbächel
    June 14, 1913
    SZ 46074
    Grey, Tan

    Horst von Boll

    May 12, 1909
    SZ 8306
    Light Grey, Dingy Markings

    Alma von der Pfälzer Grenzwacht
    April 24, 1910
    SZ 17253
    Light Grey, Dingy, Black Markings

    Nella von der Kippenburg

    April 15, 1916
    AKC 510346 / SZ 64397
    Tan, Dingy

    Ajax vom Burggraben
    April 12, 1914
    SZ 61317
    Light Grey

    Nelly von der Kippenburg
    September 15, 1914
    SZ 61527
    Light Greyish Tan, Dingy

    Legend for German Shepherd Gene Study
      White Carrier
      Black 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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