Parent Lineage
Twin Peaks, East: 11,020' UT 1,020' Rise
| Depth | Parent | Elevation | Saddle | Prominence | State |
| 1 | Horsehead Peak | 11,218' | 10,320' | 898' | UT |
| 2 | Abajo Peak | 11,360' | 6,803' | 4,557' | UT |
| 3 | Burro Mountain | 11,570' | 11,014' | 556' | CO |
| 4 | Sharkstooth Peak | 12,464' | 11,945' | 519' | CO |
| 5 | Lavender Peak | 13,237' | 12,859' | 378' | CO |
| 6 | Hesperus Mountain | 13,238' | 10,394' | 2,844' | CO |
| 7 | Grizzly Peak | 13,753' | 12,937' | 816' | CO |
| 8 | San Miguel Peak | 13,756' | 12,442' | 1,314' | CO |
| 9 | Vermilion Peak | 13,909' | 11,804' | 2,105' | CO |
| 10 | Sneffels, Mount | 14,155' | 11,125' | 3,030' | CO |
| 11 | Uncompahgre Peak | 14,318' | 10,069' | 4,249' | CO |
| 12 | Harvard, Mount | 14,424' | 12,074' | 2,350' | CO |
| 13 | Massive, Mount | 14,427' | 12,444' | 1,983' | CO |
| 14 | Elbert, Mount | 14,439' | 5,346' | 9,093' | CO |
| 15 | Whitney, Mount | 14,500' | 4,423' | 10,077' | CA |
Green = More Prominent Parent
Immediate Children:
| # | Child | Elevation | Prominence | State |
| 1 | Twin Peaks, West | 10,920' | 260' | UT |
| 2 | North Peak | 10,830' | 302' | UT |
| 3 | Prairie Dog Knoll | 9,928' | 68' | UT |
| 4 | Peters Point Ridge | 7,940' | 117' | UT |
| 5 | Harts Point | 6,861' | 241' | UT |
| 6 | 6723 | 6,723' | 313' | UT |
| 7 | George Rock | 6,265' | 176' | UT |
| 8 | Island, The | 5,340' | 160' | UT |
| 9 | "Ansaid Tower" | 6,020' | 40' | UT |
| 10 | "Iron Lady Tower" | 5,860' | 80' | UT |
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