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German Shepherd Database Project


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    Pedigree of

    Tesse von der Seidlitz


    (F)
    July 4, 1922
    AKC 386683
    Wolf Grey
     
    Breeder: Emil Thuemmler, Philadelphia PA

    Notes: COI 17.92%

    Gero Bee
    April 6, 1920
    AKC 287805
    Light Sable


    Gero of Harrington Park
    August 5, 1915
    AKC 219796
    Light Wolf Grey


    Ch (US) 
    Max (AKC 184709)

    June 23, 1913
    AKC 184709 Import
    Wolf Grey


    Alona von der Mark
    March 25, 1910
    AKC 206475 (Import)
    Light Grey


    Bella of Harrington Park
    August 11, 1914
    AKC 219797
    Sable


    Ch (US) 
    Oak Ridge Alarich von der Alpenluft

    November 23, 1912
    AKC 176148 / SZ 38398
    Wolf Sable


    Adele of Harrington Park
    October 27, 1910
    AKC 156446, Import
    Black, Yellow


    Lotta von der Planitz
    May 12, 1921
    AKC 343557
    Wolf Grey


    Rover von Hausen
    May 2, 1916
    AKC 280791
    Grey


    Duke II (AKC 245953)
    March 16, 1915
    AKC 245953
    Wolf Grey


    Flora Willings
    July 11, 1915
    AKC 221123
    Wolf Grey


    Princess von Fern Felsen
    February 15, 1920
    AKC 279349
    Black, Tan


    Ali von Fern Felsen
    March 10, 1917
    AKC 240228
    No color given


    Sweetheart of Settledown
    July 29, 1918
    AKC 256325
    Wolf


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

    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.)

    German Shepherd artwork on this site created by AHEAD Graphics. Visit their site for more talented artwork and custom designs.



    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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