Parent Lineage
Joffre, Mount: 11,263' AB, BC 4,931' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | Assiniboine, Mount | 11,863' | 5,019' | 6,844' | AB, BC |
| 2 | Forbes, Mount | 11,866' | 6,528' | 5,338' | AB |
| 3 | North Twin | 12,237' | 8,825' | 3,412' | AB |
| 4 | Columbia, Mount | 12,273' | 4,454' | 7,819' | AB, BC |
| 5 | "Uranus" | 12,481' | 11,607' | 874' | WY |
| 6 | Peak Benchmark | 12,530' | 11,514' | 1,016' | WY |
| 7 | "Jupiter" | 12,645' | 11,207' | 1,438' | WY |
| 8 | Francs Peak | 13,161' | 9,102' | 4,059' | WY |
| 9 | Downs Mountain | 13,356' | 11,778' | 1,578' | WY |
| 10 | Flagstone Peak | 13,445' | 12,619' | 826' | WY |
| 11 | Bastion Peak | 13,490' | 12,735' | 755' | WY |
| 12 | Gannett Peak | 13,811' | 6,732' | 7,079' | WY |
| 13 | Longs Peak | 14,259' | 11,312' | 2,947' | CO |
| 14 | Torreys Peak | 14,272' | 13,723' | 549' | CO |
| 15 | Grays Peak | 14,275' | 11,493' | 2,782' | CO |
| 16 | Lincoln, Mount | 14,293' | 10,433' | 3,860' | CO |
| 17 | Massive, Mount | 14,427' | 12,444' | 1,983' | CO |
| 18 | Elbert, Mount | 14,439' | 5,346' | 9,093' | CO |
| 19 | Whitney, Mount | 14,500' | 4,423' | 10,077' | CA |
Green = More Prominent Parent
Immediate Children:
| # | Child | Elevation | Prominence | State |
| 1 | King George, Mount | 11,197' | 4,308' | BC |
| 2 | Sir Douglas, Mount | 11,089' | 3,642' | AB, BC |
| 3 | Harrison, Mount | 11,023' | 5,807' | BC |
| 4 | Abruzzi, Mount | 10,721' | 2,487' | BC |
| 5 | Rae, Mount | 10,580' | 4,347' | AB |
| 6 | Nivelle, Mount | 10,564' | 919' | BC |
| 7 | Foch, Mount | 10,433' | 1,182' | AB, BC |
| 8 | Pétain, Mount | 10,433' | 1,050' | AB, BC |
| 9 | Lyautey, Mount | 10,039' | 1,575' | AB |
| 10 | Mangin, Mount | 10,039' | 525' | AB, BC |
| 11 | 10039 | 10,039' | 2,723' | BC |
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