| Sons | Grand-sons | |
Hefty Rival (uk-usa)   Failsworth White Bosun x Devas Queen |
Am CH Lanark Hefty Atlas   Hefty Rival (uk-usa) x Lanark Lady Lou |
Ch Phillips Jolly Atlas Am CH Lanark Hefty Atlas x Sociable Lucky Am CH Lanark Hefty Atlas x Sociable Lucky |
Ch Sociable Brawnie  Am CH Lanark Hefty Atlas x Sociable Lucky Am CH Lanark Hefty Atlas x Sociable Lucky |
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Ch Sociable Shingle I I   Am CH Lanark Hefty Atlas x Sociable Shingle Am CH Lanark Hefty Atlas x Sociable Shingle |
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| Lanark King Of The Fawns Hefty Rival (uk-usa) x Lanark Lady Lou |
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| Lanark Yale Principal Hefty Rival (uk-usa) x Lanark Lady Lou |
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| Lorne Ladylike Hefty Rival (uk-usa) x Lorne Lou |