| Sources |
- [S1602] Ancestry.com, Sweden, Indexed Birth Records, 1859-1947, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2011;), Swedish Church Records Archive; Johanneshov, Sweden; Sweden, Indexed Birth Records, 1880-1920; GID Number: 2040.23.16700; Roll/Fiche Number: CO0493; Volume: SCB; Record Type: Födde (Births); Year Range: 1898 - 1920.
- [S519] MBWG, Montgomery Benchmark Working Group, Verification of the Ancestry of Sven Jacob Montgomery, (Name: Lulu; Date: 2012;), Tab 08 Page 057 Montgomery, Carl Hampus Robert (1888-1971).
Book written by committe to describe the DNA history of the 1st Earl of Eglinton and this Swedish descendants
- [S519] MBWG, Montgomery Benchmark Working Group, Verification of the Ancestry of Sven Jacob Montgomery, (Name: Lulu; Date: 2012;), Tab 08A Pages 057-058 Montgomery, Robert Frederick (1918-).
Book written by committe to describe the DNA history of the 1st Earl of Eglinton and this Swedish descendants
- [S3716] Ancestry.com, Sweden, Indexed Marriage Records, 1860-1947, (Name: Ancestry.com Operations, Inc.;).
Record for Robert Fredrik Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=61363&h=3359749&indiv=try
- [S3716] Ancestry.com, Sweden, Indexed Marriage Records, 1860-1947, (Name: Ancestry.com Operations, Inc.;).
Record for Dagmar Ingegerd Gran
https://search.ancestry.com/cgi-bin/sse.dll?db=61363&h=93359749&indiv=try
- [S1601] Boo gamla kyrkogård, (Name: Svenskagravar.se; Location: Boo, Nacka, Stockholm, Sweden;), Montgomery, Robert Frederick (1918-2004) Plot 16 Accessed KRM 4 Aug 2025 9:03am https://svenskagravar.se/gravsatt/afd46f51-f3e1-4886-bb7a-b4ad85751dc4.
Boo Gamla Kyrkogård (Boo Old Cemetery)
https://www.findagrave.com/cemetery/2819554/boo-gamla-kyrkog%C3%A5rd
https://svenskagravar.se/
https://svenskagravar.se/gravsatt/afd46f51-f3e1-4886-bb7a-b4ad85751dc4
- [S1603] Ancestry.com, Sweden, Births from the Swedish Death Index, 1901-2006, (Name: Ancestry.com Operations, Inc.; Location: Provo, UT, USA; Date: 2011;).
Record for Robert Fredrik Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=2765&h=7359385&indiv=try
- [S3716] Ancestry.com, Sweden, Indexed Marriage Records, 1860-1947, (Name: Ancestry.com Operations, Inc.;), Genline AB; Johanneshov, Sweden; Swedish Church Records Archive; GID Number: 2103.219.61700; Roll Number: CO0739.
Record for Berta Lovisa Lindbäck
https://search.ancestry.com/cgi-bin/sse.dll?db=61363&h=902698741&indiv=try
- [S3716] Ancestry.com, Sweden, Indexed Marriage Records, 1860-1947, (Name: Ancestry.com Operations, Inc.;), Genline AB; Johanneshov, Sweden; Swedish Church Records Archive; GID Number: 2103.219.61700; Roll Number: CO0739.
Record for Karl Hampus Robert Montgomery
https://search.ancestry.com/cgi-bin/sse.dll?db=61363&h=2698741&indiv=try
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