I garnered David Van Buren Wampler's birth date, of 1 Mar 1837, from his death certificate (on Ancestry's Indiana Death Certificate collection) and his death notices (which appeared in 2 local Spencer, Owen county, Indiana newspapers after his death (16 Aug 1917) and burial). Per his death notices and his sister, Elizabeth Wampler Cline, who was the informant for his death certificate, David Van Buren Wampler was born in Owen county, Indiana versus Monroe county, Indiana as he is often listed with as a birth place. He was buried in Chambersville Cemetery in Spencer, Owen county, Indiana area.
Only names shared, besides David's own name, in either notice was only in one of the two, and in that one his surviving siblings were listed by name. He is mentioned, in both obits, to being survived by a wife, one son and one daughter. However on David's death certificate his sister, Elizabeth, has him listed as "widowed". One of the two death notices also shared David V. Wampler had been married three times prior to his death, "with his last wife surviving" him in 1917.
Per my research, David Van Buren Wampler first married Emily Ann Edwards in May 1862 in Indiana. I am still working on her side of the information, as some have her marriage to David being her second marriage and some others have her still living in 1870s which would mean that she and David V Wampler had divorced. David Van Buren Wampler, for the 1870 US census, is listed in his parents' household without a spouse but with a young child, named Samantha, which could be assumed, with the child's estimated age on that particular census, to being David's daughter from his marriage to Emily Ann Edwards.
In July 1871 I have David Van Buren Wampler marrying, for his second time, to Mary E. Allen in Owen county, Indiana. Per online trees, including the one world one at FamilySearch, David's second wife died in 1877.
I have a daughter, Dollie Arabell Wampler, born in Aug 1877 for David Van Buren's second marriage. Dollie likely may been a nickname, but she used Dollie on her marriage records and what was used for her later 1953 death certificate as well. Thanks to Dollie's marriage and death certificate records, I also have Mary E. Allen's middle name being Elizabeth.
For the "one son", that is stated to surviving David V. Wampler, I have only come across one male child being attributed to David - and that male child was supposedly named Robert and stated in some online trees/sources to being born in 1872. That is all I have for Robert Wampler, and this scant information would have his mother being Mary Elizabeth Allen thereby having two children resulting from David Van Buren's second marriage before Mary Elizabeth Allen's death in 1877.
In 1879, in Morgan county, Indiana, a David Wampler married a Nancy Wiatt. This is possibly the record for David Van Buren Wampler's third, and final, marriage as he is listed in 1900 and 1910 census reports with a spouse named Nancy and their marital information, in one of those two census reports, backs up the 1878/9 marriage year thought. No children are stated to resulted from this marriage.
Referring to the death notices's information in with my research, to sort out the unnamed individuals within both versions of those notices, this has me with the elusive Robert Wampler (b. 1872) being the "one son" stated to surviving his father in 1917 ... and with Dollie Arabell (b. 1877) as the "one daughter" since Dollie passes away in 1953. I already have David with a wife named Nancy in his 1900 and 1910 census reports, so this points to Nancy being the surviving wife in 1917 and a Nancy Wampler who passed away in 1934 in Owen county, Indiana is listed, on her death certificate, as being a widow of a David Wampler - this may be the death record for David Van Buren Wampler's 3rd wife. Nancy Wampler, who died in 1934, was buried in Chambersville Cemetery as well.
Which this above collection of dates and names would also, sadly, point toward that the inferred daughter, named Samantha from the 1870 US Census and attributed to David Van Buren Wampler's first marriage, had died before 16 Aug 1917.
In reference to Dollie Arabella Wampler, as I shared above on how her own paper trail was used on my side to help sort out and narrow down "who was 'likely' who" for the unnamed individuals within her father's death notices, she was born Aug 1877 in Owen county, Indiana and died 1953 in Bedford, Lawrence county, Indiana. She had married three times during her life. Her first marriage was to Elisha Chambers and that child resulted in one child, a daughter named Floy L. Chambers born in 1901, before the marriage ended in divorce. Appears that Floy L. Chambers resided with her father per census reports and a couple newspaper mentions for Floy Chambers. Dollie then married a Otho Thomas Stimson and no children are listed resulting from this marriage prior to his death. In 1951 Dollie Arabella married a Thomas Jeremiah "Jerry" Waggoner and he was the informant for her 1953 death certificate.
Floy L. Chambers was a seamstress for L. S. Ayres and lived in Indianapolis, Marion county, Indiana. Floy died in 1983 and was buried in Crown Hill Cemetery in Indianapolis. She is stated to never married.