The phrase "a line that includes" is correct and usable in written English.
You can use it when referring to a specific line or statement that contains certain information or elements.
Example: "In the poem, there is a line that includes a powerful metaphor about love."
Alternatives: "a line containing" or "a line featuring".
This pleasantly earthy variety joins a line that includes plain, pepper and herb flavors.
Mr. Meyers will be the next in a line that includes David Letterman, Conan O'Brien and Mr. Fallon.
Dorsey should get time behind a line that includes the star tackles Bryant McKinnie and Joaquin Gonzalez.
With Washington, the National Football Conference East Division champion, Smith joins a line that includes Dana Stubblefield and Dan Wilkinson.
Bob Dylan belongs to a line that includes not only Woody Guthrie and Jack Kerouac, but Flaubert, Woolf, William Gaddis, and even Maria Callas.
Jada Toys shrewdly linked up with Dub, a magazine dedicated to celebrity custom cars, to produce a line that includes a number of large S.U.V.'s.
He and Kovalchuk have worked well on a line that included the rookie Adam Henrique and now is centered by Parise's longtime teammate Travis Zajac.
Hunter, skating on a line that included center Dave Scatchard and left wing Brad Isbister, had one goal in three preseason games -- on a power play -- and did not register a point in 25 1/2 minutes in the Islanders' first two games.
Mr. Morgan took his place in a line that included the likes of Pfizer, the C.I.A. and Geico Insurance, but also The Paly Voice, the Web site of Palo Alto High School; and Rathergood.com, a compendium of weirdly wonderful things.
The family is related through marriage to the Churchills of Blenheim Palace, a line that included the Dukes of Marlborough and Winston Churchill.
And nearby in West Salem, assembly-line workers at Neways fill thousands of bottles a day for a product line that includes Youthinol, a steroid-based hormone that professional sports leagues pushed to ban until Mr. Hatch blocked them.
