Simeón was a Sugpiaq (Alaska native) born on Kodiak Island about 1790 who was baptized into the Russian Orthodox church. He was a seal and otter hunter employed by the Russian American Company based at Sitka, Russian Alaska. He arrived in Alta California to hunt seal and otters about 1810. He and a companion, "Kilila," were arrested by Spanish authorities for poaching and taken to the Presidio of San Francisco. When Simeón became gravely ill he was baptized at the San Francisco Presidio Chapel on August 3, 1816 (SFD Baptism 05409). He died just one week later and was buried in the Mission San Francisco de Asís cemetery on August 11, 1816 (SFD Death 04119). Upon the death of his friend, "Kilila" was also baptized (SFD Baptism 05410). He died the following month and was buried in the San Francisco de Asís cemetery (SFD Death 04120).
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NOTE: There are a total 12 baptisms (-) and 6 burials (+) for Russian Orthodox neophyte Sugpiaq Native Alaskans that appear in California mission records. There was also one Russian, Josef Bolcoff, who arrived in 1815 and chose to remain.

(at Monterey)
-/+ María Dolores "Kolumba" (1786, Kodiak Island; bap. Apr. 24, 1811 at mission [SC Baptism 02812]-bur. Apr. 28, 1811 [SC Death 01960]; m. Andrés; "residing here over 2 years")
+ Andrés (178?, Kodiak Island-bur. Oct. 5, 1811 [SC Death 01983]; m. "Kolumba"; "residing here over 2 years")
- Pedro "Valentin" (1779, Misosko, Kodiak Island; bap. Jun. 29, 1819 [SC Baptism 03128])
- Pablo "Mibci" (1779, Katenraik, Kodiak Island; bap. Jun. 29, 1819 [SC Baptism 03129])
- Andrés "Alexis" (1795, Ugachak, Kodiak Island; son of Sugpiaq Russian Orthodox neophytes Konstantin and Catalina; bap. Jun. 29, 1819 [SC Baptism 03130])
-/+ Santiago "Alexi" (1796, Ugachak, Kodiak Island; son of Sugpiaq Russian Orthodox neophytes Ivan and Eudochia; bap. Jun. 29, 1819 [SC Baptism 03131]-Sep. 11, 1820 [SC Death 02324])
- Juan Evangelista "Martin" (1798, Ugachak, Kodiak Island; son of Sugpiaq Russian Orthodox neophytes Simeon [BP Baptism 00532] and Barbara; bap. Jun. 29, 1819 [SC Baptism 03132])
-/+ Tomás "Thomas" (1799, Huiak, Kodiak Island; bap. Jun. 29, 1819 [SC Baptism 03133]-Mar. 1, 1828 [SC Death 02671])

(at San Francisco)
-/+ Simeón (1786, Kodiak Island; resident of Sitka; arrived 1810; bap. Aug. 3, 1816 at Presidio Chapel [SFD Baptism 05409]-bur. Aug. 11, 1816 [SFD Death 04119])
-/+ Lorenzo "Kilila" (179?, Kodiak Island, resident at Sitka; arrived 1810; bap. Aug. 10, 1816 [SFD Baptism 05410]-bur. Sep. 10, 1816 [SFD Death 04120])

(at Santa Bárbara)
- Agustín (1788, Kodiak Island; bap. Mar. 21, 1818 [BP Baptism 00531])
- Simon "Simeon" (177?, Kodiak Island; bap. Mar. 21, 1818 [BP Baptism 00532]; m. Barbara [deceased]; son: "Martin" [SC Baptism 03132]; Interpreter at Mission Santa Bárbara)

(at San Juan Bautista)
- Simeón José "Ajó" (1794, Ayakulik, Kodiak Island; bap. 1804 at Kodiak; bap. Sep. 30, 1819 [SJB Baptism 02313]; son of Sugpiaq Russian Orthodox neophytes Daniel "Saya" and Ana "Kitchea")