https://www.familysearch.org/ark:/61903/3:1:S3HT-X9F9-C6P?i=130&wc=MXYY-D6D%3A339958301%2C339958302%2C340181901&cc=2016197
No Registro de Obito de Bertha consta a idade quando morreu 83 anos, em Rio dos Cedros, Santa Catarina, Brasil.
em 16 Abril 1930.
"Brasil, Santa Catarina, Registro Civil, 1850-1999," database with images, FamilySearch (https://familysearch.org/ark:/61903/3:1:S3HT-X9F9-C6P?cc=2016197&wc=MXYY-D6D%3A339958301%2C339958302%2C340181901 : 22 May 2014), Timbó > Timbó > Óbitos 1922, Ago-1933, Fev > image 131 of 202; cartórios no estado de Santa Catarina (city registration offices), Santa Catarina.