Juliana's death is assumed because she is not named in her mother's Will or the sale of land after Barbara's death
Father:David MUMMA (b. ABT 1727, Europe - d. 14 OCT 1791, Baltimore, MD) Mother:Maria Barbara HICKMAN (b. AFT 1750 - d. ABT JUN 1804, Baltimore Co., MD)
Sources:
1. Title: Baptismal Records - First Reformed Church of Baltimore, MD Name: Baltimore Maryland Church records from the First Reformed Church, Vol 1; Location: LDS microfilm; Source Medium: Church Record
excellent