a. Lakeside Cemetary (Dover, Kent, Delaware, USA). Grave markers.
b. Hollywood Cemetary (Harrington, Kent, Delaware, USA). Grave markers.
c. 1850 census of USA. Delaware. Kent. Digital images. familysearch.org.
d. Delaware, USA. DEATH Certificates.
e. Delaware USA. BIRTH Certificates.
f. 1900 census of USA. Delaware. Kent. Digital images. FamilySearch.org.
1. Title Lakeside Cemetary (Dover, Kent, Delaware, USA), Grave Markersa; Page Sipple, Mary Elizabeth (1886-1966); Text http://image2.findagrave.com/photos/2015/83/7731207_1427310892.jpg; [Source Record]
2. Title Hollywood Cemetary (Harrington, Kent, Delaware, USA), Grave Markersb; Page Sipple, William L (1850-1921); Text http://image2.findagrave.com/photos/2011/136/35960687_130562880123.jpg; [Source Record]
3. Title 1850 Census of USA, Delaware, Kent; Online Imagesc; Page Milford and Mispillion Hundred - Page 101; Text https://familysearch.org/ark:/61903/3:1:S3HT-6XQC-JYJ; [Source Record]
4. Title Delaware, USA, DEATH Certificatesd; Source Repository Citation, Repository FamilySearch.org [Repository]; Page Sipple, William Luff (1850-1921); Text https://familysearch.org/ark:/61903/3:1:S3HT-D4M3-CNB; [Source Record]
5. Title Delaware USA, BIRTH Certificatese; Source Repository Citation, Repository FamilySearch.org [Repository]; Page Sipple, Mary Elizabeth (1886-1966); Text https://familysearch.org/ark:/61903/3:1:S3HY-X4S3-HLN; [Source Record]
6. Title 1900 Census of USA, Delaware, Kent; Online Imagesf; Page Mispillion Hundred - Page 11a; Text https://familysearch.org/ark:/61903/3:1:S3HY-69YN-37; [Source Record]