Please read the following table in Markdown format and then answer the question according to the table. Table cells in one row are seperated by '|', and different rows are seperated by '
'.

Table:
| Name | Deceased Spouse | Cause of Death | Date of Spouses Death | Length of Marriage | Children Together | Current Marital Status |
| --- | --- | --- | --- | --- | --- | --- |
| Chester A. Arthur | Ellen Lewis Herndon Arthur | Pneumonia | January 12, 1880 (aged42) | 21 years | 1 Daughter (Ellen) 2 Sons (William, Chester II) | Deceased (1886) |
| Millard Fillmore | Abigail Fillmore | Pneumonia | March 30, 1853 (aged55) | 27 years | 1 Daughter ( Mary ) 1 Son ( Millard ) | Deceased (1874) |
| Benjamin Harrison | Caroline Harrison | Tuberculosis | October 25, 1892 (aged60) | 39 years | 2 Daughters ( Mary , unnamed) 1 Son ( Russell ) | Deceased (1901) |
| Herbert Hoover | Lou Henry Hoover | Heart Attack | January 7, 1944 (aged69) | 45 years | 2 Sons ( Herbert Jr. , Allan) | Deceased (1964) |
| Andrew Jackson | Rachel Jackson | Heart Attack | December 22, 1828 (aged61) | 34 years | 2 Sons (Andrew Jr. adopted, Lyncoya adopted) | Deceased (1845) |
| James Monroe | Elizabeth Monroe | Several Long Illnesses | September 23, 1830 (aged62) | 44 years | 2 Daughters (Eliza, Maria) 1 Son (James) | Deceased (1831) |
| Richard Nixon | Pat Nixon | Lung Cancer | June 22, 1993 (aged81) | 53 years | 2 Daughters ( Patricia , Julie ) | Deceased (1994) |
| Franklin Pierce | Jane Pierce | Tuberculosis | December 2, 1863 (aged57) | 29 years | 3 Sons (Franklin Jr., Frank, Benjamin ) | Deceased (1869) |
| Theodore Roosevelt | Alice Roosevelt | Bright's Disease | February 14, 1884 (aged22) | 4 years | 1 Daughter ( Alice ) | Deceased (1919) |
| Martin Van Buren | Hannah Van Buren | Tuberculosis | February 5, 1819 (aged35) | 12 years | 4 Sons ( Abraham , John , Martin, Smith) | Deceased (1862) |
Question:
Who were the children of Benjamin Harrison?
Answer:
2 Daughters ( Mary , unnamed) 1 Son ( Russell )