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Isenberg
Isenberg
was a
County
of
medieval
Germany
. It was a
partition
of the
county
of
Altena
and was
annexed
to
Limburg-Isenberg
in
1242
.
Counts
of Isenberg (1191 - 1242)
Eberhard II
of Altena
,
count
of Altena and Isenberg
Frederick
II
of Isenberg, count of Altena and Isenberg
Theodoric
I
, count of Altena and Limburg-Isenberg
