Kedemah was a son of Ishmael, while the Nodab were a Hagrite tribe defeated by the Reubenites, Gadites, and half-tribe of Manasseh.
twelfth-born son of Ishmael (GEN 25:15)
Lineage: God › Adam › Seth › Enos › Cainan › Mahalaleel › Jared › Enoch › Methuselah › Lamech › Noah › Shem › Arphaxad › Cainan › Salah › Eber › Peleg › Reu › Serug › Nahor › Terah › Abraham › Ishmael › Kedemah
-
en
Kedemah
oriental; ancient; first
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en
Kedemah
· Also called · H6929 none · GEN 25:15 east
- en Nodab · Also called
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he
קֵדְמָה
qedəmah · H6929 · GEN 25:15 east
- he קֵ֑דְמָה · H6929
- he נוֹדָ֑ב · H5114
- el Κεδμα Kedma · none · GEN 25:15
- bg Кедма
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Conditional birth estimate
Conditional birth bounds under generation assumptions; not attested parental ages, biological limits or a lifespan.
The anchors give incompatible conditional intervals. This calculation establishes no birth year.
Below are relatives with a selected birth year, the generations separating them, and the interval allowed by each anchor. Each relative’s page shows available dates and sources. The overall estimate uses the intersection of the allowed intervals.
| Relative / anchor year | Generations | Conditional interval |
|---|---|---|
| Ishmael · 1909 BC Ancestor |
1 20–45 years per generation |
c. 1889 BC – 1864 BC |
| Abraham · 1995 BC Ancestor |
2 20–45 years per generation |
c. 1955 BC – 1905 BC |
| Terah · 2125 BC Ancestor |
3 25–130 years per generation |
c. 2050 BC – 1735 BC |
| Nahor · 2156 BC Ancestor |
4 25–130 years per generation |
c. 2056 BC – 1636 BC |
| Serug · 2186 BC Ancestor |
5 25–130 years per generation |
c. 2061 BC – 1536 BC |
| Reu · 2218 BC Ancestor |
6 25–130 years per generation |
c. 2068 BC – 1438 BC |
| Peleg · 2248 BC Ancestor |
7 25–130 years per generation |
c. 2073 BC – 1338 BC |
| Eber · 2282 BC Ancestor |
8 25–130 years per generation |
c. 2082 BC – 1242 BC |
| Salah · 2312 BC Ancestor |
9 25–130 years per generation |
c. 2087 BC – 1142 BC |
| Arphaxad · 2347 BC Ancestor |
11 25–130 years per generation |
c. 2072 BC – 917 BC |
| Shem · 2447 BC Ancestor |
12 25–130 years per generation |
c. 2147 BC – 887 BC |
| Noah · 2948 BC Ancestor |
13 25–130 years per generation |
c. 2623 BC – 1258 BC |
| Lamech · 3130 BC Ancestor |
14 25–130 years per generation |
c. 2780 BC – 1310 BC |
| Methuselah · 3317 BC Ancestor |
15 25–130 years per generation |
c. 2942 BC – 1367 BC |
| Enoch · 3382 BC Ancestor |
16 25–130 years per generation |
c. 2982 BC – 1302 BC |
| Jared · 3544 BC Ancestor |
17 25–130 years per generation |
c. 3119 BC – 1334 BC |
| Mahalaleel · 3609 BC Ancestor |
18 25–130 years per generation |
c. 3159 BC – 1269 BC |
| Cainan · 3679 BC Ancestor |
19 25–130 years per generation |
c. 3204 BC – 1209 BC |
| Cain · 4004 BC Ancestor |
19 25–130 years per generation |
c. 3529 BC – 1534 BC |
| Enos · 3769 BC Ancestor |
20 25–130 years per generation |
c. 3269 BC – 1169 BC |
| Adam · 4004 BC Ancestor |
20 25–130 years per generation |
c. 3504 BC – 1404 BC |
| Eve · 4005 BC Ancestor |
20 25–130 years per generation |
c. 3505 BC – 1405 BC |
| Seth · 3874 BC Ancestor |
21 25–130 years per generation |
c. 3349 BC – 1144 BC |
Kedemah is mentioned in Gen 25:15 and 1Ch 1:31 as one of the twelve sons of Ishmael, the son of Abraham. He is listed along with his brothers as the ancestors of the twelve tribes of Ishmael.
Apart from these genealogical mentions, no further information is provided about Kedemah's life or the specific tribe that descended from him.
Nodab, on the other hand, is mentioned in 1Ch 5:19 as one of the Hagrite tribes that the Reubenites, Gadites, and the half-tribe of Manasseh fought against during the days of Saul. The Israelite tribes defeated the Hagrites and took captive their livestock and tents.
The Hagrites were a nomadic people who lived in the region east of Gilead. The mention of Nodab alongside the Hagrites suggests that they were likely a subgroup or an allied tribe of the Hagrites.
Apart from this brief mention in the context of the Israelite tribes' victory over the Hagrites, no other information is provided about the Nodab tribe in the Bible.
Eastward, the last-named of the sons of Ishmael (Gen. 25:15).
Sources: BibleData (CC BY 4.0, Kedemah_1) · STEPBible TIPNR (CC BY 4.0, Kedemah@Gen.25.15-1Ch) · Theographic Bible Metadata (CC BY-SA 4.0, kedemah_1770)