.  1830 Census Index and Digital Images (online at Ancestry.com; Image #21 of 26; extracted by Diana Gale Matthiesen):

1830

PA

Lehigh Co.

Lynn Twp.

p. 145

Daniel Wannamacher

013 010 100 - 100 200 100 100

These data indicate:

No. & Sex	Age Class	Therefore Born	Individuals Inferred
1 male	5-9	1820-1825	=
3 males	10-14	1815-1820	=
1 male	20-29	1800-1810	=
1 male	40-49	1780-1790	=
1 female	4 or under	1825-1830	=
2 females	15-19	1810-1815	=
1 female	40-49	1780-1790	=
1 female	70-79	1750-1760	=

On same page with Maria's widowed mother, Magdalena STRAUP.

.  Will of Peter Straub, in which he names Maria as one of his siblings (courtesy of Rosemary Grayson).

.  Research by Alexa Conover, Louise Varisco, and Audrey Lehman (courtesy of Rosemary Grayson).

.  Minutes from The Stroup Reunion Book (courtesy of Rosemary Grayson).