Alternately, it you just want to provide this family info to someone in a compact, low bandwidth form…
You could generate a Reports => Text Reports => Descendant Report…
Copy&Paste works from the various Report outputs.
The following was a 2 generation (self & children generations; includes spouses), de Villiers numbered descendant report in RTF format (plain text mangles the Unicode glyphs like ń) using the example.gramps tree.
Descendants of Garner, Robert W.
a. Garner, Robert W. (b. 24 Apr 1826/7 (Julian) - Aberdeen, WA, USA, d. 3 Feb 1916 - Portsmouth, OH, USA)
sp. Zieliński, Phoebe Emily (b. 12 Apr 1827 - Bogalusa, Washington, LA, USA, d. 7 Mar 1882 - Albuquerque, NM, USA), m. 4 Oct 1849 - Paragould, Greene, AR, USA
b1. Garner von Zieliński, Lewis Anderson Sr (b. 21 Jun 1855 - Great Falls, MT, USA, d. 28 Jun 1911 - Twin Falls, Twin Falls, ID, USA)
sp. Martel, Luella Jacques (b. 23 Jan 1852 - Eureka, Humboldt, CA, USA, d. 28 Apr 1921 - Myrtle Beach, SC, USA), m. 1 Apr 1875 - Paragould, Greene, AR, USA
b2. Garner, Phebe (b. 1850 - Orlando, Orange, FL, USA, d. before 1860)
b3. Garner, Mary J. (b. 12 Oct 1851, d. 1 Apr 1852)
b4. Garner, Mary M. (b. 12 Oct 1851, d. 24 May 1858)
b5. Garner
b6. Garner, Rebecca Catharine (b. 30 May 1857 - Denver-Aurora, CO, USA, d. 9 Apr 1937 - Alice, Jim Wells, TX, USA)
sp. Ramírez, John B., m. 7 Oct 1875 - Paragould, Greene, AR, USA
b7. Carr, Zelpha Josephine (b. 31 Dec 1858 - Brownwood, Harris, TX, USA, d. 8 Feb 1895 - Beckley, WV, USA)
sp. Floyd, John Morgan, m. 4 Feb 1875 - Denver-Aurora, CO, USA
b8. Garner, Iola Elizabeth Betty (b. 1 Nov 1860 - Orlando, Orange, FL, USA, d. 17 Apr 1941 - Killeen, Bell, TX, USA)
sp. Ford, Stephen Jacob, m. 17 Sep 1879 - Vernal, UT, USA
b9. Garner, Robert F. (b. 4 Apr 1863 - Paragould, Greene, AR, USA, d. 17 Feb 1940 - Marshalltown, Marshall, IA, USA)
sp. Cannon, Mary Jane, m. 25 Nov 1880 - Paragould, Greene, AR, USA
b10. Garner, Emma A. (b. 18 Aug 1868, d. 23 Feb 1869)
b11. Garner, Anetta (b. 13 Jun 1870 - Centralia, WA, USA, d. 4 Oct 1900 - Columbus, Bartholomew, IN, USA)
sp. Parker, Frank R., m. 23 Aug 1888 - Centralia, WA, USA
b12. Garner, Antoinette (b. 13 Jun 1870 - Starkville, MS, USA, d. before 1880)