I've been searching around how to plot a family tree but couldn't find something i could reproduce. I've been looking in Hadley's book about ggplot but the same thing.

I want to plot a family tree having as a source a dataframe similar to this:

familyTree <- data.frame(
  id = 1:6,
  cnp = c("11", NA, "22", NA, NA, "33"),
  last_name = c("B", "B", "B", NA, NA, "M"),
  last_name_alyas = rep(c(NA, "M"), c(5L, 1L)),
  middle_name = rep(c("C", NA), c(1L, 5L)),
  first_name = c("Me", "P", "A", NA, NA, "S"),
  first_name_alyas = rep(c(NA, "F"), c(5L, 1L)),
  maiden_name = c(NA, NA, "M", NA, NA, NA),
  id_father = c(2L, 4L, 6L, NA, NA, 8L),
  id_mother = c(3L, 5L, 7L, NA, NA, 9L),
  birth_date = c("1986-01-01", "1963-01-01", "1964-01-01", NA, NA, "1936-01-01"),
  birth_place = c("City", "Village", "Village", NA, NA, "Village"),
  death_date = c("0000-00-00", NA, NA, NA, NA, "2007-12-23"),
  death_reason = rep(c(NA, "stroke"), c(5L, 1L)),
  nr_brothers = c(NA, 1L, NA, NA, NA, NA),
  brothers_names = c(NA, "M", NA, NA, NA, NA),
  nr_sisters = c(1L, NA, 1L, NA, NA, 2L),
  sisters_names = c("A", NA, "E", NA, NA, NA),
  school = c(NA, "", "", NA, NA, ""),
  occupation = c(NA, "", "", NA, NA, ""),
  diseases = rep(NA_character_, 6L),
  comments = rep(NA_character_, 6L)
)

Is there any way I can plot a family tree with ggplot? If not, how can i plot it using another package.

The primary key is 'id' and you connect to other members of the family using "id_father" and "id_mother".

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