Amanda, no puedo contestar a tu pregunta pero por si fuera de tu interés y te ayuda en tus búsquedas, te copio lo que entiendo que te puede afectar, de hecho, está la partida de bautismo de tu abuelo y la de matrimonio de tu bisabuelo, de los Cds de los Mormones:
DE OTERMIN BULDAIN, Antonio Christening
Gender: Male
Birth Date: 19 Oct 1827
Christening Date: 20 Oct 1827 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Juan Martin DE OTERMIN
Father's Father: Jose DE OTERMIN
Father's Mother: Maria Josefa DE OREJA
Mother: Fermina BULDAIN
Mother's Father: Francisco BULDAIN
Mother's Mother: Maria Micaela ARTOLA
OTERMIN BULDAIN, Catalina Christening
Gender: Female
Birth Date: 30 Nov 1830
Christening Date: 30 Nov 1830 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Juan Martin OTERMIN
Father's Father: Jose OTERMIN
Father's Mother: Maria Josefa OREJA
Mother: Fermina BULDAIN
Mother's Father: Francisco BULDAIN
Mother's Mother: Maria Micaela ARTOLA
OTERMIN BALDA, Maria Tomasa Christening
Gender: Female
Birth Date: 31 Aug 1858
Christening Date: 3 Sep 1858 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Antonio OTERMIN
Father's Father: Juan Martin
Father's Mother: Fermina BULDAIN
Mother: Maria Cruz BALDA
Mother's Father: Juan Miguel BALDA
Mother's Mother: Maria Tomasa PELLEGERO
OTERMIN BALDA, Maria Catalina Christening
Gender: Female
Birth Date: 20 Aug 1860
Christening Date: 20 Aug 1860 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Antonio OTERMIN
Father's Father Juan Martin OTERMIN
Father's Mother: Fermina BULDAIN
Mother: Maria Cruz BALDA
Mother's Father: Juan Miguel BALDA
Mother's Mother: Maria Tomasa PELLEGERO
OTERMIN BALDA, Maria Josefa Christening
Gender: Female
Birth Date: 31 Jan 1863
Christening Date: 1 Feb 1863 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Antonio OTERMIN
Father's Father: Juan Martin OTERMIN
Father's Mother: Fermin BULDAIN
Mother: Maria Cruz BALDA
Mother's Father: Juan Miguel BALDA
Mother's Mother: Thomasa PELLEGERO
OTERMIN SARALEGUI, Lorenza Christening
Gender: Female
Birth Date: 17 Oct 1893
Christening Date: 17 Oct 1893 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Jose OTERMIN
Father's Father: Antonio OTERMIN
Father's Mother: Maria Cruz BALDA
Mother: Maria Blasa SARALEGUI
Mother's Father: Pedro Miguel SARALEGUI
Mother's Mother: Lorenza BALDA
OTERMIN SARALEGUI, Isidro Christening
Gender: Male
Birth Date: 15 May 1895
Christening Date: 15 May 1895 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Jose OTERMIN
Father's Father: Antonio OTERMIN
Father's Mother: Maria Cruz BALDA
Mother: Maria Blasa SARALEGUI
Mother's Father: Pedro Miguel SARALEGUI
Mother's Mother: Lorenza BALDA
OTERMIN SARALEGUI, Santiago Christening
Gender: Male
Birth Date: 23 Jul 1897
Christening Date: 24 Jul 1897 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Father: Jose OTERMIN
Father's Father: Antonio OTERMIN
Father's Mother: Maria Cruz BALDA
Mother: Maria Blasa SARALEGUI
Mother's Father: Pedro Miguel SARALEGUI
Mother's Mother: Maria Lorenza BALDA
Source: FHL Film 1422485 Dates: 1692 1905
Respecto a los matrimonios, encuentro:
OTERMIN BALDA, Jose Age: 23 Marriage
Wife: Maria Blasa SARALEGUI Y BALDA Age: 24
Marriage Date: 10 Jan 1893 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Husband's Father: Antonio OTERMIN
Husband's Mother: Maria Cruz BALDA
Wife's Father: Pedro Miguel SARALEGUI
Wife's Mother: Maria Lorenza BALDA
Source: FHL Film 1422486 Dates: 1891 1898
SARALEGUI, Joaquin Age: 24 Marriage
Wife: Maria Fermina OTERMIN Age: 23
Marriage Date: 4 May 1880 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Husband's Father: Juan Miguel SARALEGUI
Husband's Mother: Juliana LICEAGA
Wife's Father: Antonio OTERMIN
Wife's Mother: Maria Cruz BALDA
ARALEGUI, Joaquin Age: 24 Marriage
Wife: Maria Fermina OTERMIN Age: 23
Marriage Date: 4 May 1880 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Husband's Father: Juan Miguel SARALEGUI
Husband's Mother: Juliana LICEAGA
Wife's Father: Antonio OTERMIN
Wife's Mother: Maria Cruz BALDA
PILDAIN, Florencio Marriage
Wife: Maria Catalina OTERMIN
Marriage Date: 30 Jul 1855 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Husband's Father: Jose Francisco DE PILDAIN
Husband's Mother: Clara Antonia MUJICA
Wife's Father: Juan Martin
Wife's Mother: Maria Fermina BULDAIN
DE OTERMIN, Martin Joseph Marriage
Wife: Maria Miguel DE OREJA
Marriage Date: 27 May 1783 Recorded in: Gainza, Navarra, Spain
Collection: San Martin; Catolica
Husband's Father: Pedro Joseph
Husband's Mother: Francisca ARBIZU
Wife's Father: Juan
Wife's Mother: Gracia DE URREAGA
Si tienes alguna duda, dímelo por favor
Saludos
Olite