Izumi

Main Family Members
Izumi is the family name of several members in the series, who are:
 * Konata Izumi, the main protagonist of Lucky Star
 * Sojiro Izumi, Konata's father
 * Kanata Izumi, Konata's mother

Extended Family Members
Other family members are cousins and relatives with different last names. Other families related to the Izumis are the Narumis and the Kobayakawas.

The Narumis

 * Yui Narumi
 * Kiyotaka Narumi

The Kobayakawas

 * Yuki Kobayakawa
 * Yutaka Kobayakawa